an analysis of trends in the us common bean industry with implications for international trade by jaime gustavo puente asquet a thesis submitted to michigan state university partial fulfillment requirements degree master science department agricultural economics 2005 ii abstract exports and imports are strategically important both domestic markets recent beans show that market is undergoing significant changes leading decrease increase examine these data were collected objective identifying export import at class commercial partner level relationship between production consumption was also explored strong brought into factors determining acreage such as crop profitability farm bill shifter during 1994 2003 decreased result navy pinto period