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Does organic supply growth leads to reduced price premiums? The case of salmonids in Denmark1

Ankamah-Yeboah, saac; ielsen, Max and Nielsen, Rasmus (2017) Does organic supply growth leads to reduced price premiums? The case of salmonids in Denmark1. [Reducerer vækst i udbud af økologiske fødevarer merpriserne? Case studie af laksefisk i Danmark.] JEL, 1, pp. 1-17. [Submitted]

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Summary

Consumers buy organic products to increase utility, while farmers invest in organic production to achieve price premiums. However, investors would like to avoid the risk of falling prices when organic supply increases to maintain profit. We suggest the use of market integration tests between non-stationary price series of organic/conventional products to reveal whether increasing organic supply can be expected to reduce price premiums. Increased organic supply will induce price falls if organic/conventional markets are independent. Organic supply growth will leave price premiums unchanged, if prices move together over time, since conventional supply typically is larger than organic. The method is applied to the Danish market for farmed salmonids. Cointegration is identified up- and down-stream, while the Law of One Price only holds upstream in the long run. Upstream, conventional trout is market leader, while impulse-response functions identify significant short run responses from conventional to organic trout prices, but not vice versa. Downstream, market leaders cannot be identified, nevertheless impulse-response analysis show significant short run responses from conventional to organic salmonid prices, however, no significance is detected in the opposite direction. The result indicates that organic salmonid prices are tied to the conventional market and do not develop independently. Hence, it can be expected that price premiums are maintained when investing in organic salmonid farming.


Summary translation

Forbrugerne køber økologi for at forøge deres nytte, mens landmænd investerer i økologisk produktion for at opnå merpriser. Men investorerne foretrækker, så vidt muligt, at undgå risiko for faldende priser, som følge af stigende økologisk udbud, da de så kan opretholde overskud. Vi foreslår brugen af markedsintegrationstest mellem ikke-stationære priser på økologiske/konventionelle produkter med henblik på at afdække, om der stigende økologisk udbud kan forventes at reducere merpriserne. Stigende økologisk udbud forårsager prisfald hvis økologiske/ konventionelle markeder er uafhængige. Stigende økologisk udbud vil lade merpriserne uændrede, såfremt priserne udvikler sig ens over tid, idet det konventionelle udbud typisk er større end det økologiske. Metoden er anvendt på det danske marked for opdrættede laksefisk. Markedsintegration identificeres både i starten og slutningen af værdikæden, hvor ”Loven om én pris” kun holder på førstehåndsmarkedet på lang sigt. På førstehåndsmarkedet er konventionel ørred markedsleder, mens impuls-respons-funktioner identificerer betydelige påvirkninger fra konventionelle til økologiske priser på ørred, men ikke omvendt. På detailmarkedet kan markedsledere ikke identificeres, men impuls-respons analyse på kort sigt viser effekter fra priser på konventionelle laksefisk til priser på økologiske laksefisk, men effekter identificeres ikke i modsat retning. Resultatet viser, at priserne på økologiske laksefisk er bundet til det konventionelle marked og ikke udvikle sig uafhængigt. Derfor kan det forventes, at merpriserne bevares, når der investeres i opdræt af økologisk laks og ørred.

EPrint Type:Journal paper
Keywords:Organic salmonids, Price Premium, Investment, Market Integration, Cointegration, Law of One Price, Impulse-response Function
Subjects: Farming Systems > Farm economics
Farming Systems > Social aspects
Research affiliation: Denmark > Organic RDD 2 > RobustFish
Deposited By: Jokumsen, Senior Advisory Scientist Alfred
ID Code:31425
Deposited On:21 Apr 2017 11:42
Last Modified:21 Apr 2017 11:42
Document Language:English
Status:Submitted
Refereed:Submitted for peer-review but not yet accepted

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