Effects of packers’ inventory and market power on price adjustments in the U.S. beef industry

Prasanna Surathkal and Chanjin Chung

Applied Economics, 2019, vol. 51, issue 46, 5076-5089

Abstract: This study examines effects of packers’ inventory and market power on their price adjustment behaviour in the U.S. beef industry. Econometric model used in the study allows inventory and market power variables to influence the speed-of-adjustment parameters in a three-regime threshold error-correction model. Results show that the two variables have a statistically significant impact on packers’ price adjustment behaviour when price decreases but not when price increases. When price decreases, inventory tends to accelerate the adjustment process whereas packers’ market power slows down the adjustment process. The hypothesis of symmetric adjustment towards long-run equilibrium during increasing and decreasing phases of price is not rejected when the effects of inventory and market power are considered in explaining packers’ price adjustment behaviour. However, when these two effects are ignored in the model specification, the hypothesis of symmetry is rejected such that the speed of adjustment in the increasing phase of price is faster than the adjustment speed in the decreasing phase of price, i.e. ‘rockets and feathers’ effect.

Date: 2019
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DOI: 10.1080/00036846.2019.1610708

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