bluuebunny/crossref_metadata_2025 huggingface dataset:
Trucks without Bailouts: Equilibrium Product Characteristics for Commercial Vehicles
Authors: Wollmann Thomas G.
Published: June 2018

The entry and exit of products, rather than firms, serve as the main equilibrating force in many markets, so accurately predicting changes from a merger or bankruptcy should incorporate this behavior. This paper estimates a structural model of the US commercial vehicle market and demonstrates the importance of allowing for endogenous product offerings in the context of the $85 billion automotive industry bailout in 2009. Under alternate policies that facilitate an acquisition or liquidation of GM and Chrysler, product entry and exit moderate markup increases and output decreases by up to three-quarters. (JEL D22, G33, G34, H81, L13, L62)
Immigration Restrictions as Active Labor Market Policy: Evidence from the Mexican Bracero Exclusion
Authors: Clemens Michael A. , Lewis Ethan G. , Postel Hannah M.
Published: June 2018

An important class of active labor market policy has received little impact evaluation: immigration barriers intended to raise wages and employment by shrinking labor supply. Theories of endogenous technical advance raise the possibility of limited or even perverse impact. We study a natural policy experiment: the exclusion of almost half a million Mexican bracero farm workers from the United States to improve farm labor market conditions. With novel labor market data we measure state-level exposure to exclusion, and model the absent changes in technology or crop mix. We fail to reject zero labor market impact, inconsistent with this model. (JEL J15, J18, J22, J31, J43, J61, O33)
PRELIMINARY RESULTS OF GROUNDWATER RECHARGE EXPERIMENTS IN LARISA PREFECTURE
Authors: Soulios G. , Voudouris K. , Kalfountzos D. , Kaklis T. , Sotiriadis M. , Alexiou J. , Kotsopoulos S.
Published: June 2018

Thessaly is the most important agricultural region in Greece and their economic development is influenced by the availability of water resources. During the last decades the overexploitation has lowered the groundwater level. The paper presents the results of artificial recharge in the aquifer system of Larisa prefecture through injection borehole and trench. The experiments took place during the period March - April 2006. The field experiments provided useful guidance on the planning of pilot tests, data monitoring and analysis, which can also be applied to other regions with similar hydrogeological conditions. Finally, this work confirms that groundwater recharge using the wintertime torrential flows is an environmentally acceptable solution, as part of an integrated water resources management strategy.
INTERPRETATION OF VLF MEASUREMENTS RELATED TO HYDROGEOLOGICAL SURVEYS
Authors: Vargemezis G.
Published: June 2018

The aim of the application of VLF surveys in hydrogeology is the contribution to the decision making as concern the construction of a well. Geophysical survey by the application of VLF method must respond to the questions (a) if the construction of a well should be proposed or not, and if the answer is yes then (b) where exactly must be located. These answers are very crucial ones, since VLF methods is applied mainly in areas where bedrock is close to the surface and no chance has a well if it will not drill an aquiferous fault. Problems arise by the fact that the target to be detected is a conductive body which is interpreted as a fault filled with water. The major question that is posed to the surveyor is if the conductivity of the fault is caused by fresh water or by clay materials or saline water. Forward models of different resistivity contrast between host rock and conductive body have been computed and examined. Results show that interpretation of the imaginary part is very important to the evaluation of the data. Since the conductor -in the meaning of water presence onlymust be a medium one, a high value of the real part should be expected in parallel with a close to 0 value of the imaginary component which also must show one peak to the Fraser filtered data.
APPLICATION OF GEOPHYSICAL METHODS TO THE STUDY OF THE MECHANISM OF SPRINGS
Authors: Vargemezis G. , Tsourlos P. , Stamoulis K.
Published: June 2018

The application of geophysical investigation to the study of the mechanism of a spring system is discussed. The springs are located within the Southern minefield of the Power Public Corporation in Ptolemais (Greece) in a small valley which is supposed to be filled with the excavation products of the mine. Thus, the aim is to protect the stability of the future valley fill from the water circulation at its floor. The scope of the survey is to study the mechanism of the spring in order to pump the underground water and minimize the water supply of the main source. A number of wells have been constructed along a line that was considered to cross the path of the underground water in order to pump the water but they failed. Geophysical investigation has been decided in order to contribute to the solution of the problem. Electrical tomographies have been conducted in an effort to detect the underground path where the underground water flows towards the springs. The results of the application of geoelectrical tomography and VLF methods showed a faulting system where the underground water is flowing and finally forms the springs.
GEOLOGICAL AND MINERALOGICAL CHARACTERIZATION OF SOME ZEOLITIZED TUFFS FROM NWRN TRANSYLVANIA, ROMANIA
Authors: Bedelean H. , Codrea V. , Barbu Ο.
Published: June 2018

Zeolites are the most common products of transformation of silicic volcanic glass in the NW-rn part of Transylvania (Romania). Representative samples of volcanic tuffs from Mäcicas (Cluj county) were investigated by using optical (polarized light) microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), and wet chemical analyses. The volcanic tuffare vitreous with an acid composition. Vitreous matrix and glass shards are replaced by zeolite minerals, mainly clinoptilolite and trace amounts ofopal-CT and mordenite. X-ray diffraction semiquantitative analysis indicated that clinoptilolite represent between 60 % and 70 % of the crystalline fraction of the tuff. The clinoptilolite content of the Mäcicas tuff deposits is one of the richest in Romania. According to the present status in the zeolite market in Europe, this deposit could have industrial potential in the construction industry and in environmental applications.
PETROLOGY, GEOCHEMISTRY AND GEOTECTONIC SETTING OF THE TITAROS OPHIOLITE AND ASSOCIATED PELAGONIAN BASEMENT ROCKS IN THE AREA NW OF MT. OLYMPOS, GREECE
Authors: Boudi D. , Prophitis E. , Zachariadis P. , Kostopoulos D. , Baltatzis E. , Chatzitheodoridis E.
Published: June 2018

The Titaros ophiolite in Greece is a coherent thrust sheet of oceanic rocL· that lies atop Permo-Carboniferous granitic orthogneisses and amphibolites of unknown age of the eastern Pelagonian margin in the area NW of Mt. Olympos. It comprises a harzburgite tectonite mantle sequence with chromite mineralisation and a welldeveloped magma chamber with cyclic units ofdunite-lherzolite-wehrlite-pyroxenite that pass upwards into massive gabbros cut by diabase dykes and locally containing plagiogranite ponds. Ophiolite mineral and whole-rock chemistry are strongly in favour of a supra-subduction zone origin in a purely oceanic setting with the occasional brawny signature of melts from subducted sediments. By contrast, the basement amphibolites display a clear within-plate tholeiitic affinity with a slight imprint of subduction-zone fluids. Mineral stretching lineations and kinematics indicators of the orthogneisses and amphibolites suggest a consistent transport direction to the WSW. It is proposed that the basaltic protoliths of the amphibolites were emplaced during Permo-Triassic rifting of the eastern Pelagonian margin that led to the subsequent formation of the Vardar Ocean. The Titaros ophiolite was formed during closure of the Vardar Ocean via northeast-directed intra-oceanic subduction and subsequent obduction towards the southwest onto the eastern Pelagonian margin, probably in the Lower Cretaceous.
THE A-TYPE KERKINI GRANITIC COMPLEX IN NORTH GREECE: GEOCHRONOLOGY AND GEODYNAMIC IMPLICATIONS
Authors: Christofides G. , Koroneos A. , Liati Α. , Kral J.
Published: June 2018

The Kerkini granitic complex (KGC) intrudes the Serbomacedonian massif KGC comprises the Mûries granite (MUR), the Miriofito granite (MIR), and the Kastanusa (KAS) granodiorite. The main rock-type is two-mica granite. Feldspars are represented by albite andperthitic microcline, biotite is iron-rich and white mica is phengite. Fluorite is also present. The rocks are peraluminous, enriched in total alkalis, depleted in MgO and CaO and have high FeOt/MgO ratios. They are enriched in Zr, Nb, Y, Ga and REE, and have strong negative Eu anomaly. They plot in the Atype granite fields of various discriminant diagrams and their chemistry suggests a WPG tectonic environment. Sr initial ratio ranges from 0.7107 to 0.7182. The most probable genetic model is fluid-absent melting of a biotite-rich tonalitic crustal source at 950 -975 C and at considerable depths. Rb-Sr white mica ages and SHRIMP U-Pb zircon ages yielded 246±3 Ma and 247±2Ma, respectively, interpreted as the crystallization age of the KGC. K-Ar ages of 130±3 and 131 ±3 Ma (biotite) and 133±3 Ma (white mica) can be interpreted by a metamorphic/fluid event at about 133 Ma. Rb-Sr white mica dates at 152±2 Ma probably resulted by incomplete resetting of the Rb-Sr isotopie system and yielded "mixing ages" between crystallization (ca. 247 Ma) possibly related to a Permian - Triassic rift event and metamorphic/fluid event (ca. 133 Ma).
THE CATION EXCHANGE CAPACITY OF INDUSTRIAL MINERALS AND ROCKS OF MILOS ISLAND
Authors: Kantiranis N. , Filippidis A. , Vouta S. , Drakoulis A. , Koutles Th. , Tzamos E.
Published: June 2018

Four samples of bentonite, two of perlite, a kaolin and a pumice sample from five mines of Milos Island, have been investigated for their Cation Exchange Capacity (CEC) and the mineralogical composition (wt.%), by using the Ammonium Acetate Saturation (AMAS) method and X-Ray Powder Diffraction (XRPD) method, respectively. The bentonite samples contain 68-100 wt.% clay minerals and show CEC values of 35-121 meq/100g, while the kaolin sample contain 41 wt.% clay minerals and show CEC value of 28 meq/100g. The amorphous materials are the main constituent of the perlite samples (73-77 wt.%) and pumice sample (88 wt.%). The CEC values ofperlites were 3-4 meq/100g, while the pumice sample showed a CEC value of 73 meq/100g. The CEC of the samples showed positive correlations with the total content of microporous minerals (clay minerals+micas) as well as with the microporous minerals+amorphous content, mainly affected by the clay minerals content.
MINERALOGICAL AND CHEMICAL COMPOSITION OF CFB FLY ASH DERIVED FROM CO-COMBUSTION OF XYLITE AND BIOMASS
Authors: Koukouzas N. , Hämäläinen J. , Papanikolaou D. , Tourunen A. , Jäntti T.
Published: June 2018

The chemical and mineralogical composition of fly ash samples collected from different parts of two Circulating Fluidised Bed (CFB) facilities has been investigated. The fuels used, were Greek xylite/suhbituminous coal (from the Fiorina basin), Polish coal (from the Catowice region - Poland) and wood chips (Swedish conifer). The characterisation of the fly ash samples included chemical analyses, particle size distribution and X-ray diffraction. According to the chemical analyses the produced fly ashes are rich in CaO. Moreover, S1O2 is the dominant oxide in fly ash with Al203 and Fe2Oi found in considerable quantities. Finally, results obtained by XRD showed that the major mineral phase of fly ash is quartz, while other mineral phases that are occurred are maghemite, hematite, periclase, rutile, gehlenite and anhydrite, while the aforementioned mineral phases were identified by scanning electron microscope (SEM).
MINERALOGICAL STUDY OF INORGANIC INTERCALATED SEAMS AT ACHLADA LIGNITE DEPOSITS (NW GREECE)
Authors: Oikonomopoulos I. , Perraki Th. , Kaouras G. , Antoniadis P.
Published: June 2018

We study the inorganic intercalated horizons of "Achlada" lignite deposits in Fiorina basin combining the mineralogical study and initial palaleobotanical data. The samples were investigated by means of X-ray diffraction (XRD), thermogravimetric (TG/DTG) and differential thermal analysis (DTA) and Fourier Transform (FT-IR) spectroscopy. The clay minerals prevail in all samples, with illite being the dominant phase, kaolinite and chlorite to be the next. No smectite was found. In addition to clay minerals, the other mineral phases identified are mainly quartz and feldspars. The presence of siderite, in the majority of the samples, is also remarkable. The illite, kaolinite and chlorite percentages of the thicker inorganic horizon were correlated to the paleoenvironmental data. The classification of this particular material into appropriate ternary diagrams shows that the studied clays may be used in the production of red-stoneware products in ceramic industry. This analysis of clay minerals was made to evaluate the industrial use of clay horizons they belong to and understand their multi-dimensional role in coal-bearing process
The 26th December 2004 Indian Ocean tsunami: the intensity field
Authors: Daskalaki E. , Papadopoulos G. A.
Published: June 2018

The Mw=9.3 Sumatra earthquake of 26.12.2004 triggered one of the most devastating tsunamis. A great number of coastal sites were affected around the Indian Ocean from near-field up to distances of more than 6000 km. We compiled field data taken by many research groups, including the present one, from around the Indian Ocean and classified them according to their geographical distribution. In every observation point, the various effects of the tsunami have been transformed to tsunami intensities. The 12-point intensity scale was applied. Maximum intensities ranging between 10 and 12 have been assigned not only to near-field localities of Sumatra and to mid-field localities but also to far-field spots of East Africa. A similar pattern for the maximum wave heights (10 m <h <35 m) observed has been found for near- and mid-field locations. However, no such large wave heights were observed in East Africa, which implies that the tsunami intensity is controlled by the wave heights and also by other natural and anthropogenic factors. In fact, wave heights and intensities were mapped along the coast of Sri Lanka, where the dataset is more accurate and complete. For these reasons wave height and intensity practically are not correlated.
In situ estimation of actual évapotranspiration. A case study in Argos plain
Authors: Giannoulopoulos P. , Poulovassilis A.
Published: June 2018

The following work refers to an experimental methodology employed for in situ monitoring of specific soil water fluxes constituting water balance components. The test area is located in the plain of Argos - Greece, within an orange grove. A micrometeorological station was installed in the site, equipped with several sensors for real time monitoring of various atmospheric parameters as well as water content and temperature in the soil profile. The soil profile was made accessible for sampling through a rectangular pit which was excavated close to the station. The soil water content was monitored making use ofTDR sensors which were calibrated against the traditional neutron probe technique and also by soil sampling. Tensiometeres were also installed in four different depths for monitoring the matrix potential. A software programme was developed for the analysis and the evaluation of the data collected in a 10 - minute time step. The analysis of the data showed that the three - year average of Actual Evapotranspiration, in this irrigated field, was approximately 857 mm, out of which almost 600mm occur between April and September and 260 mm in the winter period. Those results show that there is no significant water surplus for deep infiltration and aquifer recharge in clayey and clay - loam soils in this region.
The experiences and perceptions of personhood for people living with dementia: A qualitative evidence synthesis protocol
Authors: Hennelly Niamh , Cooney Adeline , Houghton Catherine , O'Shea Eamon
Published: June 2018

Background:Personhood in dementia is concerned with treating people living with dementia with dignity and respect, in a manner that supports their sense of self. It focuses on treating the person living with dementia as a person first and foremost. Supporting personhood in dementia is the key goal of person-centred care. Existing qualitative research examines what personhood means to the person living with dementia and explores what is important to their personhood and sense of self. However, to date little work has focused on synthesising these studies.

Methods: This is a protocol for a qualitative evidence synthesis of personhood in dementia. The review examines qualitative peer-reviewed research of the perspectives and experiences of personhood for people living with dementia. A systematic search will be carried out on eight electronic databases and supplemented by other purposeful literature search methods. Title and abstract screening, and full text screening will be carried out by two authors independently. Included studies will be critically appraised. Thematic synthesis will be conducted on all of the included studies. Confidence in the review findings will be assessed using GRADE CERQual.

Discussion:The findings from this synthesis will be useful to health care providers and policy makers seeking to understand what personhood means for people living with dementia. The findings will also inform optimal service provision, as well as outcome measures in dementia.

PROSPERO registration:CRD42017076114(21/11/2017)
Corporate governance in banks
Authors: Рыманов Александр , Rymanov Aleksandr
Published: June 2018

The textbook examines issues of corporate governance in the banking sector. The structure of the publication covers the main areas of corporate governance, which include an overview of the regulator's requirements, industry recommendations, exchange requirements, international and national experience of corporate governance in banks. The content of the textbook meets the requirements of the Russian Federal State Educational Standard of Higher Education of the latest generation, as well as professional standards. The book is presented in an accessible form, clearly illustrated. The publication is intended for specialists in the field of corporate governance, finance and credit, internal control and audit, for graduates.
Relaciones significativas en el léxico disponible de un colectivo
Authors: López González Antonio María
Published: June 2018

Meaningful Relationships in Lexical Availability Within a CollectivThis article analyzes the lexical associations within the available lexicon produced by a sample of 120 Polish students of Spanish as a Foreign Language. In the studied corpus we observe certain categorical groupings or associative sets that show that the available words are organized in the form of semantic networks (typical of a connectionist paradigm).These associations of different types (phonetic, orthographic, semantic, categorical, etc.) show that the units of semantic memory are organized into associative networks, as stated by the theory of semantic networks (Collins, Quiliam, 1969; Collins, Loftus, 1975).
Fraseología y emoción: Un esbozo de las fórmulas rutinarias con modalidad subjetiva
Authors: Szyndler Agnieszka
Published: June 2018

Phraseology and Emotion. An Outline of Conversational Routines With Subjective ModalityThe aim of this paper is to present a new proposal of the classification of conversational routines developed by Alvarado Ortega (2008), according to which these units can be analyzed from the point of view of modalization in its double distinction of modality of the statement and modality of the enunciation. The article focuses on conversational routines which express subjective modality, in particular on affective ones that present the attitude and emotions of the speaker (surprise, indignation) with respect to the statement, but do not evaluate it. In other words, special attention is paid to the emotive function of these phraseological units of an eminently pragmatic nature.
Sobre el carácter heterogéneo de las connotaciones
Authors: Wicherek Marta
Published: June 2018

On the Heterogeneous Nature of ConnotationsOur objective with this study is to present the specific nature of semantic connotations understood as such characteristics of lexical items which evoke affective, emotional, evaluative or cultural associations in the users of any language. We would like to present a few of the many classifications and propose our own typology. This procedure will permit us to demonstrate that these hidden meanings are in many cases individual, but some of them can be disseminated and decoded in the same way by large groups of speakers. Furthermore, we would like to stress that these connotative attributes have highly complex structures and it is difficult to establish a fixed framework in which we could encompass them.
Evidence of Upcoding in Pay-for-Performance Programs
Authors: Bastani Hamsa , Goh Joel , Bayati Mohsen
Published: June 2018

Recent Medicare legislation seeks to improve patient care quality by financially penalizing providers for hospital-acquired infections (HAIs). However, Medicare cannot directly monitor HAI rates and instead relies on providers accurately self-reporting HAIs in claims to correctly assess penalties. Consequently, the incentives for providers to improve service quality may disappear if providers upcode, i.e., misreport HAIs (possibly unintentionally) in a manner that increases reimbursement or avoids financial penalties. Identifying upcoding in claims data is challenging because of unobservable confounders (e.g., patient risk). We leverage state-level variations in adverse event reporting regulations and instrumental variables to discover contradictions in HAI and present-on-admission (POA) infection reporting rates that are strongly suggestive of upcoding. We conservatively estimate that 10,000 out of 60,000 annual reimbursed claims for POA infections (18.5%) were upcoded HAIs, costing Medicare $200 million. Our findings suggest that self-reported quality metrics are unreliable and, thus, that recent legislation may result in unintended consequences.

The online appendix is available at https://doi.org/10.1287/mnsc.2017.2996 .

This paper was accepted by Vishal Gaur, operations management.
Organizational Module Design and Architectural Inertia: Evidence from Structural Recombination of Business Divisions
Authors: Albert Daniel
Published: June 2018

The modular organization has been found to be particularly effective in exploring and adapting to changing environments. One powerful means of exploration has been argued to be structural recombination—that is, the splitting and merging of modules. Once undertaken, structural recombination can lead to novel architectural opportunities that enable greater innovation and long-term performance. However, little research exists that explores whether and to what extent a focal module may be readily available for recombinatory opportunities in the first place. In this paper, I investigate the design hierarchy choices related to visibility and information hiding in organizational module designs (i.e., business divisions). In a longitudinal sample of 222 divisions in 18 of the largest European universal banks, I find support for modularity-informed predictions in which visibility and information hiding affect module recombination decisions. In a post hoc analysis, I explore a complementary theoretical explanation of divisions and subunits engaging in political influence. The post hoc results suggest the existence of both a design and a politics component in recombination efforts. I therefore propose that in an organizational context, integrating a political lens into the modularity framework may be of great value in deepening our understanding of how reorganization decisions come about.

The online appendices are available at https://doi.org/10.1287/orsc.2018.1210 .
Long-term outcomes following the medial approach for open reduction of the hip in children with developmental dysplasia
Authors: Pollet V. , Van Dijk L. , Reijman M. , Castelein R. M. C. , Sakkers R. J. B.
Published: June 2018

Aims

Open reduction is required following failed conservative treatment of developmental dysplasia of the hip (DDH). The Ludloff medial approach is commonly used, but poor results have been reported, with rates of the development of avascular necrosis (AVN) varying between 8% and 54%. This retrospective cohort study evaluates the long-term radiographic and clinical outcome of dislocated hips treated using this approach.

Patients and Methods

Children with a dislocated hip, younger than one year of age at the time of surgery, who were treated using a medial approach were eligible for the study. Radiographs were evaluated for the degree of dislocation and the presence of an ossific nucleus preoperatively, and for the degree of AVN and residual dysplasia at one and five years and at a mean of 12.7 years (4.6 to 20.8) postoperatively. Radiographic outcome was assessed using the Severin classification, after five years of age. Further surgical procedures were recorded. Functional outcome was assessed using the Pediatric Outcomes Data Collection Instrument (PODCI) or the Hip Disability and Osteoarthritis Outcome Score (HOOS), depending on the patient’s age.

Results

A total of 52 children (58 hips) were included. At the latest follow-up, 11 hips (19%) showed signs of AVN. Further surgery was undertaken in 13 hips (22%). A total of 13 hips had a poor radiological outcome with Severin type III or higher. Of these, the age at the time of surgery was significantly higher (p < 0.05) than in those with a good Severin type (I or II). The patient-reported outcomes were significantly worse (p < 0.05) in children with a poor Severin classification.

Conclusion

This retrospective long-term follow-up study shows that one in five children with DDH who undergo open reduction using a medial surgical approach has poor clinical and/or radiological outcome. The poor outcome is not related to the presence of AVN (19%), but due to residual dysplasia. Cite this article: Bone Joint J 2018;100-B:822–7.
Position of the greater trochanter and functional femoral antetorsion
Authors: Batailler C. , Weidner J. , Wyatt M. , Dalmay F. , Beck M.
Published: June 2018

Aims

The primary aim of this study was to define and quantify three new measurements to indicate the position of the greater trochanter. Secondary aims were to define ‘functional antetorsion’ as it relates to abductor function in populations both with and without torsional abnormality.

Patients and Methods

Three new measurements, functional antetorsion, posterior tilt, and posterior translation of the greater trochanter, were assessed from 61 CT scans of cadaveric femurs, and their reliability determined. These measurements and their relationships were also evaluated in three groups of patients: a control group (n = 22), a ‘high-antetorsion’ group (n = 22) and a ‘low-antetorsion’ group (n = 10).

Results

In the cadaver group, the mean anatomical antetorsion was 14.7° (sd 8.5; 0 to 36.5) and the functional antetorsion 21.5° (sd 8.1; 3.6 to 44.3): the posterior tilt was 73.3° (sd 10.8; 46.9 to 88.7) and the posterior translation 0.59 (sd 0.2; 0.2 to 0.9). These measurements had excellent intra and interobserver agreement with a range from 0.93 to 0.99. When the anatomical antetorsion decreased, the greater trochanter was more tilted and translated posteriorly in relation to the axis of the femoral neck, and the difference between functional and anatomical antetorsion increased. The results the three patient groups were similar to those of the cadaver group.

Conclusion

The position of the greater trochanter and functional antetorsion varied with anatomical antetorsion. In the surgical management of femoral retrotorsion, subtrochanteric osteotomy can result in an excessively posterior position of the greater trochanter and an increase in functional antetorsion. Cite this article: Bone Joint J 2018;100-B:712–19.
Fractures and the increased risk of suicide
Authors: Chang C-F. , Lai E. C-C. , Yeh M-K.
Published: June 2018

Aims

A high rate of suicide has been reported in patients who sustain fractures, but the association remains uncertain in the context of other factors. The aim of this study was to examine the association between fractures and the risk of suicide in this contextual setting.

Patients and Methods

We performed a case-control study of patients aged 40 years or older who died by suicide between 2000 and 2011. We included patients’ demographics, physical and mental health problems, and socioeconomic factors. We performed conditional logistic regression to evaluate the associations between fractures and the risk of suicide.

Results

We included a total of 34 794 patients who died by suicide and 139 176 control patients. We found that fractures as a homogenous group (adjusted odds ratios (aOR), 1.48; 95% confidence interval (CI) 1.43 to 1.53), and specifically pelvic (aOR 2.04; 95% CI 1.68 to 2.47) and spinal fractures (aOR 1.53; 95% CI 1.43 to 1.64), were associated with a higher risk of suicide. In addition, we found that patients who had a lower income, had never married, had lower levels of educational attainment, or had coexistent physical and mental conditions such as anxiety, mood disorders, and psychosis-related disorders had a higher risk of suicide.

Conclusion

Fractures, specifically those of the hip and spine, were associated with an increased risk of suicide. The findings suggest that greater clinical attention should be given to this risk in patients with fractures, especially for those with additional risk factors. Cite this article: Bone Joint J 2018;100-B:780–6.
Neonatal screening and selective sonographic imaging in the diagnosis of developmental dysplasia of the hip
Authors: Choudry Q. A. , Paton R. W.
Published: June 2018

Aims

The aim of this prospective cohort study was to evaluate the effectiveness of the neonatal hip instability screening programme.

Patients and Methods

The study involved a four-year observational assessment of a neonatal hip screening programme. All newborns were examined using the Barlow or Ortolani manoeuvre within 72 hours of birth; those with positive findings were referred to a ‘one-stop’ screening clinic for clinical and sonographic assessment of the hip. The results were compared with previous published studies from this unit.

Results

A total of 124 newborns with a positive Barlow or Ortolani manoeuvre, clunk positive, or ‘unstable’ were referred. Five were found to have clinical instability of the hip. Sonographically, 92 newborns had Graf Type I hips, 12 had Graf Type II hips, and 20 had Graf Type IV hips. The positive predictive value (PPV) of clinical screening was 4.0% and the PPV of sonography was 16.1%. This has led to an increased rate of surgery for DDH.

Conclusion

Compared with previously published ten-year and 15-year studies, there has been a marked deterioration in the PPV in those referred with potential instability of the hip. There appears to be a paradox, with rising referrals and a decreasing PPV combined with an increasing rate of surgery in newborns with developmental dysplasia of the hip. Cite this article: Bone Joint J 2018;100-B:806–10.
Revision for adverse local tissue reaction following metal-on-polyethylene total hip arthroplasty is associated with a high risk of early major complications
Authors: Waterson H. B. , Whitehouse M. R. , Greidanus N. V. , Garbuz D. S. , Masri B. A. , Duncan C. P.
Published: June 2018

Aims

Fretting and corrosion at the modular head/neck junction, known as trunnionosis, in total hip arthroplasty (THA) is a cause of adverse reaction to metal debris (ARMD). We describe the outcome of revision of metal-on-polyethylene (MoP) THA for ARMD due to trunnionosis with emphasis on the risk of major complications.

Patients and Methods

A total of 36 patients with a MoP THA who underwent revision for ARMD due to trunnionosis were identified. Three were excluded as their revision had been to another metal head. The remaining 33 were revised to a ceramic head with a titanium sleeve. We describe the presentation, revision findings, and risk of complications in these patients.

Results

The patients presented with pain, swelling, stiffness, or instability and an inflammatory mass was confirmed radiologically. Macroscopic material deposition on the trunnion was seen in all patients, associated with ARMD. Following revision, six (18.2%) dislocated, requiring further revision in four. Three (9.1%) developed a deep infection and six (18.2%) had significant persistent pain without an obvious cause. One developed a femoral artery thrombosis after excision of an iliofemoral pseudotumor, requiring a thrombectomy.

Conclusion

The risk of serious complications following revision MoP THA for ARMD associated with trunnionosis is high. In the presence of extensive tissue damage, a constrained liner or dual mobility construct is recommended in these patients. Cite this article: Bone Joint J 2018;100-B:720–4.
Informed consent
Authors: McCormack D. J. , Gulati A. , Mangwani J.
Published: June 2018

Our aim in this paper was to investigate the guidelines and laws governing informed consent in the English-speaking world. We noted a recent divergence from medical paternalism within the United Kingdom, highlighted by the Montgomery v Lanarkshire Health Board ruling of 2015. We investigated the situation in the United Kingdom, Australia, New Zealand, Canada, and the United States of America. We read the national guidance regarding obtaining consent for surgical intervention for each country. We used the references from this guidance to identify the laws that helped inform the guidance, and reviewed the court documents for each case.

There has been a trend towards a more patient-focused approach in consent in each country. Surgeons should be aware of the guidance and legal cases so that they can inform patients fully, and prevent legal problems if outdated practices are followed.

Cite this article: Bone Joint J 2018;100-B:687–92.
E-procurement espousal and assessment framework: A case-based study of Indian automobile companies
Authors: Jain Mukul , Abidi Naseem , Bandyopadhayay Asit
Published: June 2018

The Indian automobile industry is one of the fastest growing industries in the country. Considering the importance of e-procurement in automobile industry, many researchers have developed various models that help organizations to adopt e-procurement successfully. The implementation of e-procurement is divided into three phases: pre-espousal, espousal and assessment. These three phases are very crucial and important for the success of any e-procurement system. Different frameworks have been suggested for the espousal and assessment of e-procurement. In this article the authors develop a composite framework that integrates all the three phases of e-procurement system in the Indian automobile industry with the help of an integrative literature review, three case studies and an experience survey. However, this is purely a conceptual framework that requires validation before implementation.
A UTILIZAÇÃO DE FERRAMENTAS E TÉCNICAS DE GERÊNCIA DE PROJETOS E GESTÃO DE CONHECIMENTO PARA ESTIMULAR O SUCESSO EM PROJETOS DE INOVAÇÃO
Authors: MENDROT ANTONIO RICARDO , OLIVEIRA EDSON APARECIDA DE ARAUJO QUERIDO , DE MORAES MARCELA BARBOSA , MONTEIRO RITA DE CÁSSIA RIGOTTI VILELA
Published: June 2018

A fim de manter a competitividade no mercado por meio de renovações em suas estratégias e carteira de produtos/serviços, as empresas investem cada vez mais na inovação. Essa pode ser compreendida como a criação de valor sustentável por meio de uma mudança de paradigma organizacional. Este trabalho tem como objetivo apresentar um ensaio teórico acerca das ferramentas de gerenciamento de projetos como fator de estímulo para o sucesso dos resultados em processos de inovação radical e/ou incremental. Objetiva-se também abordar a gestão de conhecimento como uma técnica de fomento à identificação e à idealização de produtos/serviços/processos e resultados inovadores, bem como se dá esse processo. Com esse fim, o estudo se utilizou de revisão bibliográfica para conceituar as características da inovação organizacional, bem como gestão de conhecimento e gerência de projetos. Sobre os mesmos, fez-se um comparativo entre as etapas de criação de produtos inovadores e a estrutura de criação de valor por projetos, que incorpora todas as suas fases desde a concepção estratégica até o retorno dos benefícios por ele gerados. Alocou-se também a posição estratégica dos principais roles (funções) de projetos de inovação. Na sequência, identificou-se em qual etapa de uma estratégia de inovação se dá início o ciclo de vida do projeto que resultará na mesma e, por fim, discutiu-se a importância da gestão de conhecimento como ferramenta de gestão que estimula o processo de identificação de oportunidades estratégicas e na idealização de novos projetos de características inovadoras. Como resultado, foi possível identificar que a utilização de técnicas e ferramentas de gestão de projetos são adequadas para o desenvolvimento de inovações radicais e incrementais, bem como confirmar a gestão de conhecimento como ferramenta de que estimula o processo de identificação de oportunidades estratégicas e na ideação de novos projetos com características inovadoras.
DESVELANDO A COMPETÊNCIA EM ROTINAS DE PROGRAMAÇÃO DA PRODUÇÃO A PARTIR DO MÉTODO FENOMENOGRÁFICO
Authors: JARDIM LEANDRO SCHOEMER SCHOEMER , ROCHA-PINTO SANDRA REGINA DA
Published: June 2018

Nas organizações industriais contemporâneas, globalização e tecnologia tornam produtos cada vez mais semelhantes. Nesse cenário, a operação passa a ser um dos principais mecanismos de diferenciação e o planejamento da produção ganha um inédito papel estratégico. O objetivo deste estudo foi investigar esse fenômeno com um olhar centrado nas rotinas organizacionais e nas pessoas. A partir de uma abordagem qualitativa e interpretativa, o trabalho utilizou o método fenomenográfico para compreender como os próprios programadores concebem a competência nas suas rotinas. A análise das entrevistas identificou três diferentes concepções distintas. A programação da produção como Alocação de recursos e materiais; como Mediação entre diferentes áreas; e como Gestão tático-estratégica da operação. Além disso, foram identificadas seis dimensões do fenômeno que explicam e diferenciam as concepções: Raciocínio lógico, Conhecimento técnico, Conhecimento sistêmico, Estratégia de negociação, Aspecto manifesto da rotina e Envolvimento com a estratégia corporativa. Os achados sugerem que a dimensão estratégica da programação é verificável nas rotinas em diferentes graus. Além disso, ao revelar a concepção competência como sendo a mediação entre as diferentes áreas da empresa, o estudo revela as estratégias de negociação no centro do debate sobre a competência nas rotinas de programação da produção.
Optimization of machining parameters during Drilling by Taguchi based Design of Experiments and Validation by Neural Network
Authors: Sreenivasulu Reddy , SrinivasaRao Chalamalasetti
Published: June 2018

Drilling is a hole making process on machine components at the time of assembly work, which are identify everywhere. In precise applications, quality and accuracy play a wide role. Nowadays’ industries suffer due to the cost incurred during deburring, especially in precise assemblies such as aerospace/aircraft body structures, marine works and automobile industries. Burrs produced during drilling causes dimensional errors, jamming of parts and misalignment. Therefore, deburring operation after drilling is often required. Now, reducing burr size is a serious topic. In this study experiments are conducted by choosing various input parameters selected from previous researchers. The effect of alteration of drill geometry on thrust force and burr size of drilled hole was investigated by the Taguchi design of experiments and found an optimum combination of the most significant input parameters from ANOVA to get optimum reduction in terms of burr size by design expert software. Drill thrust influences more on burr size. The clearance angle of the drill bit causes variation in thrust. The burr height is observed in this study.  These output results are compared with the neural network software @easy NN plus. Finally, it is concluded that by increasing the number of nodes the computational cost increases and the error in nueral network decreases. Good agreement was shown between the predictive model results and the experimental responses.
Critical analysis of Lean Construction measuring tools
Authors: Lucena Arthur Felipe Echs , De Mori Luci Mercedes
Published: June 2018

The Lean Construction philosophy emerged to assist overcome the challenges in optimizing the productive processes of companies. As an effort to quantify the application degree of Lean philosophy in the civil construction companies, several measurement tools were created. In order to discuss the effectiveness of these tools into measuring the presence of the Lean philosophy in construction sites, the present study performed a critical analysis of its methodological procedures, based on four aspects: ‘questionnaires and forms’, ‘answering system’, ‘data collection methodology’, and ‘results’. Although it was not possible to investigate measuring tools from other countries, it was concluded that, among Brazilian methods, the one developed by Pereira (2012) is the most suitable for use since it presented just few problems in its formulation. This way, it is possible to do the intended measurement with assertiveness, substantially contributing to civil construction development.
Identification of the relationships between critical success factors, barriers and practices for lean implementation in a small company
Authors: Pereira Laís , Tortorella Guilherme
Published: June 2018

This article aims to identify how the critical success factors (CSF), barriers and practices for lean manufacturing (LM) implementation in a small company are related. For this, the CSF, barriers and practices of LM related to small companies were initially consolidated from a literature review. Through semi-structured interviews and focus groups with the leaders of a small electronics manufacturing company in lean implementation, the relationships were evaluated and ranked through the incorporation of a multi-criteria analysis tool. The integration of a multi-criteria analysis tool into qualitative research methods (focused groups, semi-structured interviews and participatory observation) allowed quantifying these relationships in order to identify convergent efforts for a successful LM implementation. Existing frameworks for lean implementation are targeted at larger companies, disregarding the specific small company context. This study provides a guide to assist LM implementation in small manufacturing companies. Furthermore, the greater understanding of these relationships enables managers to anticipate potential problems, allowing a more successful implementation.
Using metaheuristic algorithms for solving a mixed model assembly line balancing problem considering express parallel line and learning effect
Authors: Rabbani Masoud , Alipour Farahnaz , Farrokhi-Asl Hamed , Manavizadeh Neda
Published: June 2018

Mixed-model assembly line attracts many manufacturing centers' attentions, since it enables them to manufacture different models of one product in the same line. The present work proposes a new mathematical model to balancing mixed-model assembly two parallel lines, in which first one is a common line and the other is an express line due to more modern technology or operators with higher skills. Therefore, the cost of equipment and skilled labor in the express line is higher, and also, the learning effect on resource dependent task times and setup times is considered in the assemble-to-order environment. The aim of this study is to minimize the cycle time and the total operating cost and smoothness index by configuration of tasks in stations, according to their precedence diagrams. Also, assigning the assistants to some tasks in some stations and for some models is allowed. This problem is categorized as an NP-hard problem and for solving this multi-objective problem, non-dominated sorting genetic algorithm ІІ (NSGA-II) and multi-objective particle swarm optimization (MOPSO) are applied. Finally, for comparing the proposed methods some numerical examples are implemented and the result show that MOPSO outperforms NSGAII.
Von der Programmatik zur Praxis: Plädoyer für eine Grounded Theory transformationsorientierter Forschung
Authors: Jaeger-Erben Melanie , Nagy Emilia , Schäfer Martina , Süßbauer Elisabeth , Zscheischler Jana
Published: June 2018

Reaktion auf fünf Beiträge zum Thema Transformative Wissenschaft in GAIA
REPRESENTASI SOSIAL TENTANG MAKNA MALU PADA GENERASI MUDA DI JAKARTA
Authors: Giawa E. Constant , Nurrachman Nani
Published: June 2018

This study aims to find out the meaning of shame in the young generation of Jakarta. Shame as one of the basic emotions, continues to evolve according to the age level and social changes that occur. The theory used is social representation theory with approach of social representation structure that will find central core and peripheral element of shame. This study used mixed method design: quantitative method with hierarchized evocation technique and qualitative method by conducting interview. The hierarchized evocation technique was performed on 252 participants using a questionnaire. While interviews were conducted on 13 participants which explore further about the shame. Participants were obtained by using snowball and accidental sampling technique, with the criteria as followed: students, at least fifth semester and maximum age is 25. The results show that the meaning of shame in Jakarta young generation is related to self-doubt, events that lead to negative judgment, unideal physical appearance, violation of moral principles and mismatch on etiquette. These five attributes are very strongly attached to the collective memory of the younger generation.
Differential Effects of Customers’ Regulatory Fit on Trust, Perceived Value, and M-Commerce Use among Developing and Developed Countries
Authors: Thongpapanl Narongsak (Tek) , Ashraf Abdul R. , Lapa Luciano , Venkatesh Viswanath
Published: June 2018

Despite promising growth, mobile commerce (m-commerce) still represents only a small proportion of the world's total e-commerce market. The research behind this article moves away from the predominantly single-country (typically developed) and utilitarian-focused market scope of past research to examine and provide a more nuanced understanding of customers’ motivations, whether utilitarian or hedonic, for using m-commerce across six countries. The six-country context, with data collected from 1,183 m-commerce users, offers a unique opportunity to advance mobile-retailing literature by comparing customers’ value perceptions, trust, and m-commerce use across disparate national markets. By treating motivations as conditions activated by individuals’ chronic regulatory orientations, our results show that hedonic motivation plays a more significant role in influencing customers’ value perceptions and trust for those who are promotion oriented (Australia and the United States), whereas utilitarian motivation plays a more important role for those who are prevention oriented (Bangladesh and Vietnam). Finally, both hedonic and utilitarian motivations play an important role in influencing customers’ value perceptions and trust for those who are moderately promotion and prevention oriented (India and Pakistan). These results offer insights to mobile retailers operating internationally in their decisions to standardize or adapt the mobile-shopping environment to deliver the most valuable, trustworthy, and engaging solutions to customers.