Lavoie, Nathalie; Liu, Qihong - In: American Journal of Agricultural Economics 89 (2007) 3, pp. 571-581
We employ a vertical differentiation model to examine the potential bias in pricing-to-market results when using export unit values aggregating differentiated products. Our results show that: (i) false evidence of pricing-to-market is always found when using unit values, whether the law of one...