Price Dynamics in Biological Production Processes Exposed to Environmental Shocks

19 Pages Posted: 21 Apr 2020

See all articles by Frank Asche

Frank Asche

Stavanger University College

Atle Oglend

University of Stavanger

Tore Selland Kleppe

University of Stavanger

Date Written: October 2017

Abstract

This paper demonstrates a mechanism by which environmental shocks in biological production processes can lead to extreme price movements and thus be a contributing factor to short‐term food price volatility. In biological production processes, environmental shocks can lead to a stock‐out when the harvest transitions to a new stock (year class) with a different marginal value. The result in the market is a temporary price spike, or bubble, bounded by the marginal value of the new stock. We highlight this phenomenon in a cohort, or year class, biological production setting. Each year class in the model is a finite “non‐renewable” capital stock, and capital theory is used to solve for the stochastic dynamic competitive equilibrium. The model is parameterized to be representative of the Norwegian salmon aquaculture industry. Results suggest that the model can replicate much of the observed patterns in price, harvest, and capital stock dynamics, including the infrequent occurrence of extremely high prices in the market.

Keywords: Aquaculture, food production, price volatility, resource management

Suggested Citation

Asche, Frank and Oglend, Atle and Selland Kleppe, Tore, Price Dynamics in Biological Production Processes Exposed to Environmental Shocks (October 2017). American Journal of Agricultural Economics, Vol. 99, Issue 5, pp. 1246-1264, 2017, Available at SSRN: https://ssrn.com/abstract=3577900 or http://dx.doi.org/10.1093/ajae/aax048

Frank Asche (Contact Author)

Stavanger University College ( email )

PO Box 2557
Ullandhaug
4004 Stavanger
Norway

Atle Oglend

University of Stavanger ( email )

PB 8002
Stavanger, 4036
Norway

Tore Selland Kleppe

University of Stavanger

PB 8002
Stavanger, 4036
Norway

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