Rojas-Romagosa, H.

inequality income country series trade distribution result index observation household tariff effect atkinson income distribution change welfare factor coefficient level gini coefficient model poverty dataset income inequality definition policy oecd countries function trend share equation difference curve table information world import increase source capital trade liberalization paper import protection price impact openness study protection lorenz curve literature production economy section lorenz equilibrium regression estimate household distribution atkinson index tax base concept labor trade policy variable growth atkinson indexes analysis development welfare function measurement point endowment liberalization inequality data expenditure value estimation theorem sample reference