【题 名】：Learning about a New Technology: Pineapple in Ghana
【作 者】： Conley, Timothy G.; Udry, Christopher R.
【期刊、会议、单位名称】：The American Economic Review,
【年, 卷(期), 起止页码】：Volume 100, Number 1, March 2010 , pp. 35-69(35)
【全文链接】：http://chinesesites.library.ingentaconnect.com/content/aea/aer/2010/00000100/00000001/art00002