For each of the following statements say whether it is true or false and explain why using a couple of sentences, graphs or equations. (a) The Heckscher-Ohlin model explains why skilled workers in U.S. manufacturing oppose trade with China. (b) Consider a specific factor model with unskilled laborers as a mobile factor and two groups of specialist workers as immobile factors. Laborers would benefit from immigration by foreign specialists but be hurt by immigration by foreign laborers. (c) An individual worker might be better off as a result of trade in the short run, but worse off in the long run