Estimation of EU's import demand for yellowfin tuna Thunnus albacares (Bonnaterre 1788) sourced from Asian countries: Implications to the Philippine tuna industry

Castro, Miko Mariz C.; Sarmiento, Jon Marx P.; Alviola, Pedro A.; Digal, Larry N.

doi:10.33997/j.afs.2017.30.4.007

Cited by 2 publications

(2 citation statements)

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“…In the Philippines, the use of the AIDS model and its other forms such as the LA AIDS (linear approximate almost ideal demand system) and the QUAIDS (quadratic almost ideal demand system) models have been employed in various studies to estimate demand elasticities in food products but not using the point-of-sale data (Garcia et al 2005;Lantican et al 2011;Castro et al 2017). Thus, this study estimates the price and expenditure elasticities generated from the AIDS model using point-of-sale data from the three store branches of a large supermarket in Davao City, Philippines.…”

Section: Philippinementioning

confidence: 99%

“…The canned tuna industry is also booming as its production increases to cater to the demand of the expanding market (Aprieto 1995), mainly brought about by consumers favoring the healthier option (Yamashita 2008). The current body of literature focuses on the Philippine export-oriented tuna industry (Costales and Garcia 2002;Yamashita 2005;Castro et al 2017) but little research highlights the impact of domestic tuna consumption on sustainability, particularly skipjack tuna, as predominantly used in the canning industry.…”

Section: Introductionmentioning

confidence: 99%

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Demand Elasticities of Canned Tuna at Point of Sale of a Large Retail Chain in Southern Philippines: Implications for Sustainability Policy

Castro¹,

Sarmiento²,

Digal³

2021

Philipp J Sci

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New variants of canned skipjack tuna have been developed by large manufacturers of canned tuna in the Philippines. This study analyzes the expenditure and price elasticities of canned tuna and determines the implications for sustainable fishery. An AIDS (almost ideal demand system) model incorporating an income group variable was used to estimate these elasticities. This study utilized a pooled time series data of 459 weekly point-of-sale observations from 2010–2012 of three store branches of a large supermarket chain in southern Philippines. The point-of-sale data suggest that canned tuna consumption is composed mostly of tuna in sauce with vegetables followed by tuna in oil and tuna in sauce without vegetables. For both high- and low-income groups, the expenditure elasticities have the expected positive signs – indicating that as the income of consumers’ increases, the quantity demanded for canned tuna in three product mediums also increases. For high-income consumers, consumption of tuna in sauce with and without vegetables is more responsive to income changes. The own-price elasticities of the three product mediums across high- and low-income store branches have negative signs – suggesting that as their own price increases, the quantity demanded for these products decreases. The cross-price elasticities suggest that tuna in sauce with vegetables is a substitute for tuna in oil and in sauce without vegetables for both income groups. Thus, promoting more use of vegetables through product development may lead to a lower volume of tuna meat used in canned tuna products, which contributes to addressing tuna resource sustainability

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Section: Philippinementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%