We examine the effect of class cleavages on terrorist activity by anarchist and leftist terrorist groups in 99 countries over the 1860–1950 period. We find that higher levels of political exclusion of the poor, our main measure of class conflict, were associated with higher levels of...

We use the Hsiao--Granger method to test for terrorism--growth causality for seven Western European countries. In bivariate settings, the impact of economic performance on domestic terrorism is very strong. In trivariate settings, the impact of performance on terrorism diminishes. In general, we...