This article analyzes the relationship between economic growth, income
distribution and real exchange rate within the neo-Kaleckian literature,
through the construction of a nonlinear macrodynamic model for an open
economy in which investment in fixed capital is assumed to be a quadratic
function of the real exchange rate. The model demonstrates that the
prevailing regime of accumulation in a given economy depends on the type of
currency misalignment, so if the real exchange rate is overvalued, then the
regime of accumulation will be profit-led, but if the exchange rate is
undervalued, then the accumulation regime is wage-led. Subsequently, the
adherence of the theoretical model to data is tested for Brazil in the period
1994/Q3-2008/Q4. The econometric results are consistent with the theoretical
non-linear specification of the investment function used in the model, so
that we can define the existence of a real exchange rate that maximizes the
rate of capital accumulation for the Brazilian economy. From the estimate of
this optimal rate we show that the real exchange rate is overvalued in
1994/Q3- 2001/Q1 and 2005/Q4-2008/Q4 and undervalued in the period
2001/Q2-2005/Q3. As a direct corollary of this result, it follows that the
prevailing regime of accumulation in the Brazilian economy after the last
quarter of 2005 is profit-led.