The local employees would be able to negotiate higher wages given the absent It provides supply in the market and lowers their bargaining power, so the parity

The local employees would be able to negotiate higher wages given the absent It provides supply in the market and lowers their bargaining power, so the parity in wages is parity in a lower baseline Also in practice there are salary ranges and the H1B's usually take the lower of the range AND work longer hours at the fear of visa loss.