Perron's test, Johansen cointegration analysis, and a vector error-correction (VEC) model are used to identify structural change, as well as to examine price dynamics in the U.S. and Canadian hard red spring (HRS) and durum wheat markets. It is found that, due to the U.S. Export Enhancement...

This study examines price dynamics in the U.S. and Canadian hard red spring (HRS) and durum wheat markets. Using monthly prices for 1979-2002, we adopt Johansen cointegration tests and a vector error-correction (VEC) model. The results show that U.S. hard red winter (HRW) and Canadian HRS are...