I believe that this policy will make that country more militant. The extra males means they can afford to waste cannon fodder.
dunno.
about asymmetrical gender populations.
seems that i recall that the japanese in about 1920 had a population boom.
and, this along with cultural and religious momentum translated into an aggressive pacific war.
Irrelevant for China. The basic valuation of individual human life is already significantly lower there than here. They don't have too many qualms about people as cannon fodder as it is. It's simply cultural. Losing a few thousand people in an industrial accident is seemingly met with reactions that show that it's "merely the cost of doing business"... unless and until it hits the western news wires, and then they have to go through the motions.