James is interested in the relationship between weather conditions and whether the downtown train runs on time. for a year, james records the weather each day as well as whether this train arrives on time or is delayed. here are his results: weather condition on-time delayed total sunny 167167167 333 170170170 cloudy 115115115 555 120120120 rainy 404040 151515 555555 snowy 888 121212 202020 total 330330330 353535 365365365 find the marginal distribution of weather condition in counts.

Crowding out is a phenomenon focused upon most by the macroeconomists of whereby a government deficit interest rates, which in turn private investment spending. this group also believed that fiscal policy is the only thing that can lower natural unemployment. is just as effective in countering recessions as monetary policy. can be used most of the time, but monetary policy becomes a better option when velocity is fluctuating. should be used only if the central bank follows a monetary policy rule. faces problematic lags in propagating changes throughout the economy.