Measurement of technical efficiency in marine fishin

Aswathy, N

Madan, M S

Narayanakumar, R

CMFRI Digital Repository

Methodological Tools for Socioeconomic and Policy Analysis in Marine Fisheries11117MEASUREMENT OF TECHNICAL EFFICIENCY IN MARINE FISHINGAswathy N., R. Narayanakumar and M.S. MadanϐǤϐȀϐǤϐǡ   Ǥ        ϐ    ϐǤ ϐǤϐϐϐǤǤ	ȋͳͻͷͳȌϐϐϐϐǤϐ       ϐǤ      ǦȋǦǡ ǡ ǡ ǤȌǤ Ǧ     ϐǤȋȌapproach of the production frontier. The mathematical program planning helps to estimate the nonparametric approach frontiers.ϐ	ΪWhere Y is the log of outputǥ are the log values of inputs and e is the random error termThe equation can be rewritten as ϐ >ϐϐ αͲ =The commonly used approach in measuring the TE is the stochastic frontier approach. Initially the frontier   ǡ             ϐϐǤǡǡȋͳͻ͹͹ȌǤIn the stochastic frontier production function, the error term was decomposed into two parts, the symmetric ϐǡ       ϐǤǦ  ϐǤϐǯǤͲͳǤαͳϔ	ICAR-Central Marine Fisheries Research InstituteMethodological Tools for Socioeconomic and Policy Analysis in Marine Fisheries112ϐǤǡȋͳȂȌϐȋǡͳͻͻ͵ȌǤStochastic frontier models are superior to deterministic models because they include a separate symmetric          ǡ Ǧϐ   ϐǤA stochastic frontier model is given asαȋ ȌΪȋάȌWhere v is the symmetric error component and  the one sided error component. The function can be ǤWith the assumptions of a half normal distribution of  and normal distribution of the frontier model is αȋ ȌȌάȋǦȌ̱ȋͲǡɐʹȌ̱ȋͲǡɐʹȌǤǡɉαɐʹȀɐʹǤɉɐȀȀǤϐ Ȁȋ Ȍfrontier and ȀϐϐϐαͳǦɐȋʹȀɎȌͳȀʹ ǣ  ϐ      ϐ    ϐ Ǧ   ϐ stochastic frontier production function. In the stochastic frontier production function, a stochastic component       Ǥ  ϐ ǡϐǡϐǡϐǡǤǤǦǤ	ϐǡϐϐǤ ǡ  ȋ    Ȍ    ǤȋȌȋ	ȌǡȋȌȋȌϐȋȌϐϐȋȌǤǣͳǮ	ǯǢǢ	ǢǢMethodological Tools for Socioeconomic and Policy Analysis in Marine Fisheries113͹ǤͲͻͲͳ ʹǤͺͻͲͶ ͵Ǥʹͳͺͺ͹͸ ͸Ǥͻͷ͸ͷ͸Ǥͻͷ͸ͷ ʹǤͺͻͲͶ ͵Ǥʹͳͺͺ͹͸ ͹ǤͳͲͷ͵͸Ǥͻͷ͸ͷ ʹǤͺͻͲͶ ͵Ǥͳ͹ͺͲͷͶ ͸Ǥͻͺͳ͹Ǥʹ͹ͻ͵ ʹǤͺͻͲͶ ͵Ǥʹͳͺͺ͹͸ ͹ǤͲͻʹ͸͸Ǥ͵ͻ͸ͻ ʹǤͺͻͲͶ ʹǤͺͻͲ͵͹ʹ ͸Ǥͻ͵ʹͶ... more lines ...ȀȗǦǦ	 ǦǦȗȀαǢα	 Ǣ̱ȋαȌǢǢǣ       ǣ   ϐ DF EstimateStandard Errort ValueεȁȁIntercept ͳ ͸Ǥͳ͹͸ͻͶ͹ ͲǤͳ͵͵͸ʹͺ Ͷ͸Ǥʹʹ δǤͲͲͲͳȋ	Ȍ ͳ ͲǤʹ͸ʹͲ͸ͷ ͲǤͲͶ͹ͺͲͻ ͷǤͶͺ δǤͲͲͲͳȋȌ ͳ ͲǤͲ͵͹͵Ͳ͵ ͲǤͲ͵͹͸ͻͷ ͲǤͻͻ ͲǤ͵ʹʹͶȋȌ ͳ ǦͲǤʹ͸ͳͲͷͷ ͲǤͲ͹ͶͷͶ͵ Ǧ͵ǤͷͲ ͲǤͲͲͲͷ_Sigma_v ͳ ͲǤ͵ͷͺͶͳͲ ͲǤͲͳʹ͵͸Ͷ ʹͺǤͻͻ δǤͲͲͲͳ_Sigma_u ͳ ͲǤͳʹͺͷ͵ͻ . . .ϐǦϐȋ	ȌʹͲͳͶϐϐϐϐϐǤϐ     ͹ͳΨ   ʹͻΨ   ϐϐϐϐuse.z ǡǤǤǤǤǡͳͻͻʹǤ	ǡϐǡͳͻͻʹǤ͵ǣͳͷ͵Ǧͳ͸ͻǤz  ǤǤ  ǤǤ ǡ ͳͻͻͷǤ     ϐ     ǤʹͲǣ͵ʹͷǦ͵͵ʹǤz ǡǤͳͻͻ͸ǤǮ	ͶǤͳǣǡͻ͸ȀͲͺǡǤz ǤǤǡʹͲͲ͸Ǥϐ ǣǤǤǤǤǤǤ͸ͳǡǤʹǡǦʹͲͲ͸Ǥz ǤʹͲͳͶǤȀ̺ͳ͵ǤʹǯǤǡǣǤϔ	

Measurement of technical efficiency in marine fishing

http://eprints.cmfri.org.in/12805/1/CMFRI%20Special%20Publication%20127_17.pdf

Measurement of technical efficiency in marine fishing

Abstract

Similar works

Full text

Available Versions

CMFRI Digital Repository