英文文献：Price Rigidity' In The Pork Marketing Channel
英文文献作者：Boyd, Milton S.,Brorsen, B. Wade
英文文献摘要：
This paper tests for the existence of price rigidity within the U.S. pork marketing channel using an asymmetric pricing model. Results show that wholesale (packer) prices respond more to farm price decreases than increases. Retailers respond equally to wholesale price increases and decreases.