Generalized Findlay-Grubert Theorem
推广了Findlay-Grubert定理，允许相对价格变动，并明确考虑Hicks、Harrod和Solow中性技术进步。在特定条件下，Harrod中性和Solow中性等价于Hicks要素节约型技术进步，并分析了不同中性技术进步对两部门产出和相对价格的影响。
This generalization allows the relative price to vary and explicitly considers Hicks-, Harrod-, and Solow-neutrality. Under certain conditions, the Harrod-neutral and the Solow-neutral shifts are equivalent to the Hicks factor-saving shift. If Hicks-Harrod-Solow neutral or the Hicks factor-saving improvement occurs in one of the two sectors, then the relative price of that good falls, and the level of output of that good increases. However, the level of output of the other good remains constant if Hicks-Harrod-Solow-neutral progress occurs, and decreases or increases according to whether the Hicks x-saving or x-using technological progress occurs in the x-intensive sector.