income and the use of prescription drugs by the elderly evidence from the notch cohorts we use exogenous variation in social security payments created by the social security benefits notch to estimate how retirees use of prescription medications responds to changes in their incomes using data from the 1993 wave of the ahead we obtain instrumental variables estimates of the income elasticity of prescription drug use that are uniformly above 1 00 with a middle estimate of 1 32 simulations based on our estimates suggest that reductions in social security benefits similar to those incorporated in recent reform proposals would significantly reduce prescription drug use among the elderly

housing prices and the savings of renters abstract this paper studies the effects of housing prices on the net worth of young households because prospective homeowners must accumulate down payments a change in housing prices can change their savings patterns theoretically the effect of increases in house prices on savings is ambiguous because households can increase their saving to afford the larger down payment or decrease their saving because they have chosen to delay or forego purchasing a house using data from the 1984 panel study of income dynamics 27 i show that empirically the effect of increased housing prices on saving is positive and quite large relative to the savings of young households young renter households living in cities with high housing prices have more net worth than those living in cities with lowering housing prices controlling for both the income of the households as well as the per capita income of the city in which they live

small firms and the merger mania empirical research has found an average or even superior performance of small firms this seems to be at variance with the secular concentration process and the recurrent merger waves this paper tries to integrate size and merger research higher profitability of small firms is explained by their incentive structure and shorter decision lags but also by lower wages and higher individual risk premia their faster growth in the eighties was in addition fostered by diversification of demand miniaturization of technology and a need for flexibility under uncertainty the merger wave on the other hand does not necessarily prove that large firms are superior managers and shareholders may be seduced by stockmarket optimism a sizeable industry of banks agents and lawyers have their own interests in mergers mergers may be important in declining markets and for the acquisition of technology on average mergers do not improve efficiency profits or internal growth small and large firms serve different purposes performance depends on the market incentives and technology the establishment growth and closure of small firms as well as mergers are attempts to find the optimal organization for utility maximization in a world of severe uncertainty and diverse needs

linking agricultural policies with obesity and noncommunicable diseases a new perspective for a globalising world abstract in light of the shift in policy paradigm in agriculture from state intervention to market liberalisation and globalisation this paper develops a series of hypotheses on the relationship between agricultural policies and consumer diets the first hypothesis is that the paradigm shift has led to greater specialisation of production so changing the ability and incentive for producers to supply certain foods relative to others second the shift has affected farmgate prices both up and down so creating opportunities for the industries which purchase farm commodities the food consuming industries fcis to substitute lower priced ingredients thereby influencing the nutritional quality and content of foods available in the marketplace third it has increased the ability of the fcis to add value through product innovation and marketing creating a market characterised by highly differentiated products targeted to individualised preferences thus increasing the acceptability of a wider variety and quantity of food products the changing agricultural policy paradigm has therefore altered the environment in which consumers make their food choices in the form of food availability affordability and acceptability nevertheless the paper finds no clear pattern when it comes to health the changes have affected both unhealthy and healthy foods and ingredients the key process of importance for health then is not whether the ingredients produced by agriculture are healthy or not but how they are substituted transformed distributed and marketed through the supply chain e g vegetable oils into transfats this leads to an important implication that policies to intervene directly in agricultural production to promote healthy eating are unlikely to be effective or efficient if they do not take into account how foods are processed distributed and marketed through the supply chain in practice this means that the potential for policy interventions in agriculture to improve diets is limited but nevertheless potentially important where it exists given the upstream nature of the change incentives could be created for the fcis to substitute healthier ingredients in their products and or to sell more of them in instances where these changes can be passed all the way to the consumer greater investment could also be made in fruit and vegetable production for local markets along with testing the hypotheses established in this paper the research priority should to identify the incentives that influence the products produced by the fcis with the objective of finding those most amenable to leveraging the supply chain towards healthier eating

the effect of income on mortality evidence from the social security notch abstract legislation in the 1970s created a notch in social security payments with those born after january 1 1917 receiving sharply lower benefits using restricted use versions of the national mortality detail file combined with census data we use this quasi experiment to examine the income mortality link in an elderly population estimates from difference in difference and regression discontinuity models show the higher income group has a statistically significantly higher mortality rate contradicting the previous literature we also found that younger cohorts responded to lower incomes by increasing postretirement work effort suggesting that moderate employment has beneficial health effects for the elderly

farm policies and added sugars in us diets abstract we examine how us farm policies for sweetener crops have affected the consumption and composition of sweeteners in the us diet r d expenditures have lowered the unit cost of commodities used in sweeteners but have generated more technical progress in corn than in sugar crops increasing use of corn in food production ceteris paribus commodity programs have raised the price of sugar and decreased the price of corn thus high fructose corn syrup hfcs became an inexpensive substitute for sugar in food from 1970 on however the effect of policy on ingredient prices has become less important over time today the farm value share in sweetened food is below 5 and hfcs is a specialized input in many food items with limited substitution possibilities the current link between us sweetener consumption and farm policy is weak recent evidence from other high income countries shows little relationship between sweetener consumption and sugar policies

intergenerational transfers borrowing constraints and saving behavior evidence from the housing market abstract we examine the effects of intergenerational transfers on saving behavior by analyzing transfers targeted to first time home purchases transfer recipients have a shorter time to save for a down payment of 9 20 for each dollar of transfer received total savings falls by 29 40 cents and the down payment rises by 61 71 cents transfer recipients increase the value of the home purchased but by an amount that is much lower than possible if the transfer were fully leveraged in addition transfers appear to help households achieve certain down payment thresholds that give favorable mortgage terms

farm subsidies and obesity in the united states national evidence and international comparisons abstract many commentators have claimed that farm subsidies have contributed significantly to the obesity epidemic by making fattening foods relatively cheap and abundant but u s farm policies have generally small and mixed effects on farm commodity prices which in turn have even smaller and still mixed effects on the relative prices of more and less fattening foods other factors have had much more influence on reducing the farm prices of food commodities and the consumer prices of food such that any effects of u s farm policies on u s obesity patterns must have been negligible moreover while many arguments can be made for changing u s farm subsidies even entirely eliminating the current programs could not be expected to have a significant influence on obesity rates international evidence reinforces this finding the countries that support their farmers most strongly tend to have relatively low obesity rates in these countries the main support for farmers comes through trade barriers and higher consumer prices which like u s policies for sugar dairy orange juice and beef discourage consumption and reduce obesity in contrast with agricultural subsidies agricultural r d has had a significant effect in the past on the relative price of food commodities and food and has the potential to influence obesity patterns in the future but r d policy is a very blunt instrument for pursuing public health policy objectives

food and consumer behavior why the details matter a growing body of literature now demonstrates the importance of behavioral factors in individual food consumption however whether addressing hunger nutrition or obesity food policies are often created to target changes at the aggregate level these policies ignore such behavioral tools or effects and their potential heterogeneous effects on consumers in this article we review the most important results examining food consumption and behavioral economics and provide a thorough discussion of how such tools are now being added to the lexicon of effective policy tools in addition we discuss how traditional policy tools that ignore the individual behavioral effects can miss the mark or even backfire the implication is clear a thorough understanding of behavioral economics is necessary to create efficient food policy

the effects of farm commodity and retail food policies on obesity and economic welfare in the united states many commentators claim that farm subsidies have contributed significantly to the obesity epidemic by making fattening foods relatively cheap and abundant and symmetrically that taxing unhealthy commodities or subsidizing healthy commodities would contribute to reducing obesity rates in this article we use an equilibrium displacement model to estimate and compare the economic welfare effects from a range of hypothetical farm commodity and retail food policies as alternative mechanisms for encouraging consumption of healthy food or discouraging consumption of unhealthy food or both we find that compared with retail taxes on fat sugar or all food or subsidies on fruits and vegetables at the farm or retail levels a tax on calories would be the most efficient obesity policy a tax on calories would have the lowest deadweight loss per pound of fat reduction in average adult weight and would yield a net social gain once the impact on public health care expenditures is considered

social security income and health care spending evidence from the social security notch the paper exploits social security legislation changes to identify the causal effect of social security income on out of pocket medical expenditures of the elderly using the 1986 1994 consumer expenditure survey and an instrumental variables strategy the empirical results show that health care expenditures are responsive to changes in social security income for elderly individuals with less than a high school education the estimated income elasticities are between 1 41 and 3 47 depending on the outcome measures and are statistically significant at conventional levels the findings are in contrast to existing studies that find a small income elasticity at the individual household level this article is protected by copyright all rights reserved

rehabilitation decisions in rental housing an empirical analysis abstract housing policy makers show increased interest in encouraging rehabilitation of the existing housing stock but little is known about what factors influence the decision to invest particularly in rental housing making policy design difficult this paper presents an empirical analysis of individual landlords housing rehabilitation decisions in one housing market the analysis tests hypotheses about the impacts of detailed neighborhood structure and site characteristics on each owner s investment activity findings support the general hypothesis that economic returns to investment have a major effect on rehabilitation decisions identify some other important circumstances and suggest which among many specific policy levers should be effective

social security and elderly homeownership abstract over the last twenty five years the homeownership rate of households 65 years and older has risen steadily while the homeownership rate for 35 64 year old households has remained relatively unchanged at the same time the real value of social security benefits has risen substantially using data from the march 1978 to 2001 current population surveys this paper documents the evolution and assesses the causal role of the social security program in increasing elderly homeownership to isolate the causal effect the analysis develops an instrumental variable approach that relies on the large variation in benefits for birth cohorts from 1900 to 1930 due to double indexation of the system and the so called social security notch for all elderly the estimated elasticity of homeownership to social security benefits ranges from 0 26 to 0 49 across marital groups the widowed have the greatest responsiveness to benefits increases in benefits also increase household formation among the elderly overall the estimates indicate that between half and as much as all of the time series rise in elderly homeownership over the last twenty five years can be attributable to the rise in social security benefits and suggest that reductions in benefits would alter homeownership among the elderly significantly

cross tenure differences in home maintenance and appreciation this paper investigates the relative maintenance levels of owner and renter occupied housing by examining their short and long run appreciation rates we modify the standard repeat sales estimation procedure to test whether owner occupied housing appreciates faster than renter occupied housing this procedure holds constant all structural factors except for aging hence appreciation is estimated net of physical depreciation i e routine aging deficient and deferred maintenance we find only weak evidence to support the notion that long term rates of appreciation and maintenance levels are substantially different between owner and renter occupied housing

interest rate variations mortgage prepayments and household mobility the volatility of interest rates and the deregulation of the mortgage lending sector have meant that many homeowners also own mortgages at terms more favorable than current interest rates this paper presents a model of residential mobility decisions and an empirical analysis that evaluates the importance of the ownership of these mortgages upon the mobility of homeowners the results based upon proportional and nonproportional hazard models indicate that these effects are quite large the empirical analysis distinguishes between different regulatory regimes that govern the assumption of existing mortgages and indicates the implications of these findings for the pricing and valuation of mortgage backed securities copyright 1987 by mit press

the effect of social security on labor supply a cohort analysis of the notch generation this article uses aggregate birth year calendar year level data derived from the current population survey cps to estimate the effect of social security wealth on the labor supply of older men in the 1970s and 1980s the analysis focuses on measuring the impact of the 1977 amendments to the social security act which created a substantial unanticipated reduction in social security wealth for individuals born after 1916 this differential in benefits has become known as the benefit notch results indicate that labor supply continued to decline for the notch babies who received lower social security benefits than earlier cohorts

the dispersion of us state unemployment rates the role of market and non market equilibrium factors partridge m d and rickman d s 1997 the dispersion of us state unemployment rates the role of market and nonmarket equilibrium factors reg studies 31 593 607 european nations particularly the uk have been observed to have persistent dispersion in regional unemployment rates the dispersion is often hypothesized to be caused by centralized collective bargaining and government policies that limit regional labour market adjustments although the us labour market is considered more exible possessing higher rates of labour mobility and less government mandates there also is persistent dispersion in us state unemployment rates this paper investigates the factors that underlie the persistent dispersion in us state unemployment rates the factors examined include amenities crime education home ownership and residency patterns industry composition and international migration partridge m d et rickman d s 1997 la dispersion des taux de chomage aux etats unis sur le plan des etats l importa

the wealth effect of merger activity and the objective functions of merging firms abstract this paper studies the net effects of the long run sequence of events leading to merger and of merger per se on shareholder wealth the appropriate measure of the wealth effect is shown to be the abnormal dollar return cumulated over time using this measure the long run wealth effect of the event sequence culminating in merger is significantly negative for acquiring firms for acquired firms the effect is negative but not significant the immediate impact of merger per se is positive and highly significant for acquired firms but larger in absolute value and negative for acquiring firms the evidence also reveals that measured abnormal rates of return to acquiring firms are sensitive to a slight variation in model specification and dependent on firm size with smaller firms earning significantly negative post merger returns

social security and elderly living arrangements evidence from the social security notch previous studies of the effect of social security on elderly living arrangements generally have relied on data from the distant past or differences in benefits across families or cohorts that potentially were correlated with other determinants of living arrangements using data from the 1980 99 current population surveys we attempt to isolate the causal effect of social security on living arrangements with an instrumental variable approach that relies on the large shifts in benefits for cohorts born from 1910 21 the socalled social security notch over all elderly households the estimated elasticity of living with others with respect to social security income is 0 4 with elasticities of 1 3 and 1 4 for the widowed and divorced respectively most of the effects on living arrangements appear to be concentrated among the lesser educated as well our estimated elasticities are substantially larger than those from previous studies and suggest that reductions in current benefits would alter living arrangements significantly

social security income and the utilization of home care evidence from the social security notch this paper exploits social security law changes to identify the effect of social security income on the use of formal and informal home care by the elderly results from an instrumental variables estimation strategy show that as retirement income increases elderly individuals increase their use of formal home care and become less likely to rely on informal home care provided to them by their children this negative effect on informal home care is most likely driven by male children withdrawing from their caregiving roles the empirical results also suggest that higher social security benefits would encourage the use of formal home care by those who would not have otherwise used any type of home care and would also encourage the use of both types of home care services among elderly individuals

a note on the benefits of homeownership abstract this brief note adds to recent work that attempts to identify externalities associated with homeownership the results suggest that some of the homeownership effect found by green and white is driven by family characteristics associated with homeownership especially residential stability however as much as homeownership increases residential stability it appears to be correlated with higher school attainment attempts to control for endogeneity cannot eliminate this finding

homeownership and investment in risky assets abstract this paper uses the 1989 survey of consumer finances to show that committed expenditures related to homeownership cause agents to hold their financial assets in a safe form this work follows theoretical results by fratantoni 5 which show that the mortgage commitment leads to reduced risky asset holding and empirical results by guisoet al 7 which show that agents with uncertain labor income hold fewer risky assets i find that doubling the median homeowner s mortgage payment income ratio leads to a 15 decrease in the risky share

prices parents and young people s household formation an economic theory of young people s decision to live apart from parents is presented and used to structure econometric analyses of the processes of leaving the parental home and returning to it which employ data from the british household panel survey for the first half of the 1990s the econometric estimates support the predictions of the theory in particular tighter housing markets as indicated by higher regional relative house prices significantly retard home leaving especially the formation of partnerships and encourage returns to the parental home young people with larger current income are more likely to leave but less likely to return to the parental home

tracing the effects of agricultural commodity prices and food costs we estimate a system of product and input demand equations for food processing industries to trace the links among farm commodity prices food processing costs and food prices disembodied technical change which likely reflects increasing consumer demand for convenience and product variety has sharply reduced agricultural materials demand relative to most other food processing inputs this implies weakening impacts of farm price shocks on food prices but improving quality and falling relative prices for agricultural inputs in combination with increasing factor substitution has counteracted these forces to encourage greater usage of agricultural inputs in food processing and limit these trends food prices today often appear less responsive to farm price shocks than in the past a development sometimes attributed to failures in market institutions however powerful long run technological and social changes leading to adaptations in production processes and food consumption patterns have also altered the demand for primary agricultural materials by changing the structure of food processing industries the social shifts surrounding the expanded role of women in the labor force represent one striking example of such changes the fraction of married women in the labor force less than one third in 1960 rose sharply through the next three decades before stabilizing at around 61 in the 1990s such demographic shifts increased the demand for food products requiring less home preparation time which in combination with enhanced technology has led to more in plant processing of agricultural materials and likely a growing share of nonagricultural inputs in

redlining in boston do mortgage lenders discriminate against neighborhoods historically lenders have been accused of redlining minority neighborhoods as well as refusing to lend to minority applicants considerable bank regulation is designed to prevent both actions however the strong correlation between race and neighborhood makes it difficult to distinguish the impact of geographic discrimination from the effects of racial discrimination previous studies have failed to untangle these two influences in part because of severe omitted variable bias the data set in this paper allows the distinct effects of race and geography to be identified and it shows that the evidence for redlining is weak

assessing the profitability of growth by acquisition a premium recapture approach abstract this paper makes a case that because of the large premiums paid over the last 20 years by companies undertaking growth by acquisition this growth probably has been unprofitable the case has three parts the first develops a model designed to show for any premium paid for any acquiree the performance improvement required to recapture this premium and create value for the acquiring company the second part reports the distribution of premiums paid for a large sample of acquirees and uses this model to determine the specific performance improvements necessary to bring about value creation for the new parents of the acquirees the third part uses historical rate of return data to show that for typical acquirees these improvements call for levels of performance that are difficult to attain and sustain in u s industrial markets

the social and private micro level consequences of homeownership abstract this paper reviews the literature that describes the micro level economic and social consequences of homeownership we adopt an interdisciplinary approach and include studies from economics sociology geography political science psychology and other disciplines our focus is on the set of consequences of homeownership in developed countries our list of potential outcomes of homeownership includes the impact on household wealth and portfolio choice mobility labor force participation urban structure and segregation home maintenance political and social activities health demographics self esteem and child outcomes there is substantial evidence that homeownership has important effects on some household behaviors and outcomes however we find that much of the past 30 year s literature on consequences of homeowning is deficient from a theoretical or econometric perspective we suggest solutions and identify research gaps present in the literature

the transition to home ownership and the black white wealth gap this paper analyzes differences in the likelihood that black and white families become homeowners by following a sample of black and white renters over time we are able to separately study racial differences in the likelihood of applying for a mortgage and in the likelihood that a mortgage application is accepted although its effect on the race gap in housing transitions is small we find strong evidence that black applicants are almost twice as likely as comparable white households to be rejected even when credit history proxies and measures of household wealth are accounted for we show that the housing transition gap exists primarily because blacks are less likely to apply for mortgages in the first place the analysis suggests that differences in income family structure and in the ability and willingness of parents to provide down payment assistance are the primary reasons for this applications gap we speculate that the portion of the gap that remains unexplained after controlling for income d

housing capital gains taxation and homeowner mobility evidence from the taxpayer relief act of 1997 abstract we provide new evidence on the impact of housing capital gains taxation on homeowner behavior by examining residential mobility before and after the taxpayer relief act of 1997 tra97 which generated the most sweeping reform of capital gains taxation in the last two decades in addition to lowering marginal tax rates on long term capital gains for all assets tra97 also eliminated any differential treatment of housing gains above and below age 55 allowing all homeowners to qualify for capital gains exclusions utilizing data drawn from the current population survey cps on either side of the law change 1996 and 1998 on homeowners just above 56 58 year olds and below 52 54 year olds the age 55 threshold and a reduced form difference in difference empirical approach our estimates suggest that the repeal of the differential capital gains tax treatment by age embodied in tra97 had an economically important and statistically significant impact on the residential mobility of under 55 homeowners across a variety of specifications the repeal raised the mobility rate by around 1 1 4 percentage points which for a mean mobility rate of 4 percentage points represented an increase in the mobility rate of homeowners in their early 50s by 22 31 furthermore the bulk of this effect was concentrated among highly mobile homeowners who a priori were more likely to have wanted to trade down e g divorced empty nesters those facing higher capital gains tax rates and those living in states that had experienced higher rates of nominal appreciation

the scarcity syndrome that may affect us profoundly in years ahead after half a century of conventional wisdom that the farm problem was one of surplus today s perception is that the problem is shortage i call this the scarcity syndrome it has seeped into farmer attitudes economic analyses and legislation it has helped escalate farmland prices and the demand for credit it will probably profoundly affect commodity programs during the 1980s we are not sufficiently aware of the far reaching effects of this new attitude in this note i examine the scarcity syndrome its validity and effects

the rising disparity in the price of healthful foods 2004 2008 abstract nutrient dense foods that are associated with better health outcomes tend to cost more per kilocalorie kcal than do refined grains sweets and fats the price disparity between healthful and less healthful foods appears to be growing this study demonstrates a new method for linking longitudinal retail price data with objective nutrient based ratings of the nutritional quality of foods and beverages retail prices for 378 foods and beverages were obtained from major supermarket chains in the seattle wa for 2004 2008 nutritional quality was based on energy density kcal g and two measures of nutrient density calculated using the naturally nutrient rich nnr score and the nutrient rich foods index nrf9 3 food prices were expressed as 100 g edible portion and as 1000 kcal foods were stratified by quintiles of energy and nutrient density for analyses both measures of nutrient density were negatively associated with energy density and positively associated with cost per 1000 kcal the mean cost of foods in the top quintile of nutrient density was 27 20 1000 kcal and the 4 year price increase was 29 2 foods in the bottom quintile cost a mean of 3 32 1000 kcal and the 4 year price increase was 16 1 there is a growing price disparity between nutrient dense foods and less nutritious options cost may pose a barrier to the adoption of healthier diets and so limit the impact of dietary guidance nutrient profiling methods provide objective criteria for tracking retail prices of foods in relation to their nutritional quality and for guiding food and nutrition policy

assessing food value chain pathways linkages and impacts for better nutrition of vulnerable groups abstract this article offers insights into assessing the effectiveness of post farm gate agri food value chains at improving the nutrition intake of vulnerable groups it develops a conceptual framework integrating the value chain concepts with agriculture and nutrition and identifies key outcomes and requirements for value chains to be successful at delivering substantive and sustained consumption of nutrient dense foods by poor households other frameworks linking value chains with nutrition have been published but this article provides the analytical lens to assess post farm gate value chains to achieve improvements in the intake of nutritious foods by the target populations food must be safe to eat on a sustained basis nutrient dense at the point of consumption and consumed in adequate amounts on a sustained basis this shifts the focus to the role of public actions and policy in terms of shaping the functioning of food value chains by assessing the limits of what business can and cannot contribute in a given market context policy makers and other relevant stakeholders will be more capable of creating an appropriate institutional environment that shapes how value chains operate for the benefit of vulnerable target groups designing and implementing effective policies and strategies with respect to the role and use of market based interventions

food product composition consumer health and public policy introduction and overview of special section as efforts to improve diets in high income countries intensify attention has turned to how policies may influence diet composition the case studies in this special issue contribute to our understanding of how two main types of policies have influenced food product composition and dietary outcomes 1 policies affecting food manufacturers input costs and 2 information policy affecting competition research on the first type of policy is relatively new but suggests that us commodity policies would not be good policy instruments to influence diets except through the long run impacts of agricultural research research on the impacts of information policy continues to demonstrate that it can spur food industry competition to introduce healthier products but may not result in healthier diets international comparisons show where the us experience may have relevance for other high income countries

cheap food policy fact or rhetoric abstract the term cheap food policy has frequently been used as a descriptor for us commodity programs by those who contend payments to farmers ultimately result in lower food costs for consumers more recently farm policy has been criticized for contributing to the obesity problem in the us by making large quantities of fattening foods widely available and relatively inexpensive this paper econometrically evaluates the impact of direct government payments on the affordability of food in the us in the aggregate and across specific food groups the models find direct payments do not significantly affect the affordability of food either in the aggregate or across specific food groups

do oligopolists earn noncompetitive rates of return high in effect is defined in this proposition in either of two ways most commonly it has been taken to mean high enough to warrant remedial intervention of some sort by the state 4 recently however a growing minority of economists has urged that it be taken to mean instead high enough to warrant intervention provided the state can show that rates of return in excess of r1 reflect collusive behavior by the leading firms and not cost advantages which these firms have over their leading rivals both meanings in turn reflect a third high enough to imply a typical market price closer to pm in figure lb than to pc where pm is the price that would prevail if the leading firms maximized collective current period profits and pc is the price that would prevail if collective current period profits approximated zero 6 proposition 1 rests on a large body of empirical work proposition 2 however does not nor does it rest on any theoretical analysis industrial economists simply have intuited that there is a correspondence between the r1r2 segment in figure la and the pmp segment in figure lb are there substantive grounds for the intuition i argue that there are not the rates of return that lie along the r1r2 segment are competitive