We consider local content requirements in a second-best environment, w
ith foreign capital flows, and consider the consequences for domestic
producers of final goods. We derive an expression for the welfare cons
equences of content protection in a competitive general equilibrium mo
del of two stages of production and show that content protection initi
ally has no effect other than expanding foreign firms at the expense o
f domestic ones. Once domestic producers exit, further tightening of t
he content requirement decreases production of the final good and incr
eases component production, stimulating an inflow of foreign capital.
Conflicting effects on domestic welfare are discussed.