Hoffmann, Angela; Loy, Jens-Peter - In: Journal of International Agricultural Trade and Development 59 (2010) 4
strong price competition. Thus, we would expect the law of one price to hold and price adjustments to occur simultaneously …. However, significant price differences can be observed which are often caused by sales. As price promotions are not related to … supply or demand changes, they might bias measures of price synchronization. As dairy products are a key category that is …