**Table 2: Penang’s Top 20 Commodities Based on Revealed Comparative Advantage, 1995**

|sitc4|RCA|short description|Lall Class|
|---|---|---|---|
|6871|45.03|Tin and tin alloys, unwrought|PP|
|8482|25.22|Articles of apparel, clothing accessories of plastic or rubber|LT1|
|7631|24.28|Gramophones and record players, electric|MT3|
|7628|23.25|Other radio receivers|MT3|
|7622|22.27|Portable radio receivers|MT3|
|2320|17.12|Natural rubber latex; natural rubber and gums|PP|
|4242|14.95|Palm oil|RB1|
|6642|14.74|Optical glass and elements of optical glass (unworked)|RB2|
|6639|13.96|Articles of ceramic materials, nes|RB2|
|4313|9.67|Fatty acids, acid oils, and residues; degras|RB1|
|7621|9.11|Radio receivers for motor-vehicles|MT3|
|7764|8.99|Electronic microcircuits|HT1|
|2231|8.92|Copra|PP|
|7512|8.25|Calculating, accounting, cash registers, ticketing, etc, machines|HT1|
|4312|8.01|Hydrogenated animal or vegetable oils and fats|RB1|
|7599|8.00|Parts, nes of and accessories for machines of headings 7512 and 752|HT1|
|8973|7.37|Precious jewelry, goldsmiths' or silversmiths' wares|LT2|
|6281|5.94|Hygienic, pharmaceutical articles of unhardened vulcanized rubber|RB1|
|7763|5.16|Diodes, transistors, photocells, etc|HT1|
|7722|4.79|Printed circuits,andparts thereof,nes|MT3|

_Note:_ PP: Primary Products, RB1: Agro-Based, RB2: Other Resource-Based, LT1: Textile, garment & footwear, LT2: Other, Low-Technology, MT1: Automotive, MT2: Process, MT3: Engineering, HT1: Electronic & Electrical, and HT2: Other, High-Technology. Source: authors’ calculation

**Table 3: Penang’s Top 20 Commodities Based on Revealed Comparative Advantage, 2000**

|sitc4|RCA|short description|Lall Class|
|---|---|---|---|
|8482|25.03|Articles of apparel, clothing accessories of plastic or rubber|LT1|
|6642|22.42|Optical glass and elements of optical glass (unworked)|RB2|
|7628|21.49|Other radio receivers|MT3|
|6871|19.21|Tin and tin alloys, unwrought|PP|
|4313|15.22|Fatty acids, acid oils, and residues; degras|RB1|
|2320|11.69|Natural rubber latex; natural rubber and gums|PP|
|7521|10.43|Analogue and hybrid data processing machines|HT1|
|7599|10.42|Parts, nes of and accessories for machines of headings 7512 and 752|HT1|
|7722<br>|7.62<br>|Printed circuits, and parts thereof, nes<br>|MT3<br>|
|7622|7.54|Portable radio receivers|MT3|
|8812|7.36|Cinematographic cameras, projectors, etc, parts, accessories, nes|HT2|
|7764|6.15|Electronic microcircuits|HT1|
|8974|5.95|Other articles of precious metals or rolled precious metals, nes|LT2|
|7768|5.89|Crystals, and parts, nes of electronic components of heading 776|HT1|
|7621|5.44|Radio receivers for motor-vehicles|MT3|
|7763|5.07|Diodes, transistors, photocells, etc|HT1|
|8973|4.78|Precious jewelry, goldsmiths' or silversmiths' wares|LT2|
|4242|4.51|Palm oil|RB1|
|7642|4.23|Microphones; loud-speakers; audio-frequency electric amplifiers|HT1|
|7638|4.04|Other sound recordingand reproducer,nes;video recorders|MT3|

_Note:_ PP: Primary Products, RB1: Agro-Based, RB2: Other Resource-Based, LT1: Textile, garment & footwear, LT2: Other, Low-Technology, MT1: Automotive, MT2: Process, MT3: Engineering, HT1: Electronic & Electrical, and HT2: Other, High-Technology.

Source: authors’ calculation 6