Macroeconomic effect of external shock on the Nigeria economy

External shock can be seen as the vulnerability of an economy to fluctuations of a primary commodity price in the international market and foreign aid flows. This is usually possible for an economy with a high index of openness, and largely dependent on such commodity as sources of foreign exchange earnings and government revenue. One of such economies is Nigeria. Its shocks have emanated from oil price (Adamu, 2015), non-oil primary commodities, aid flows and trading partners at different periods in history.