The use of a model with actual values for the <a href="search.pl?p=explanatory variables">explanatory variables</a>. In an <a href="search.pl?p=econometric model">econometric model</a> that includes lagged values of <I>Y</I>, a static simulation uses the actual values of these lags, rather than the forecasted values. (See <a href="search.pl?p=ex post forecast">ex post forecast</a>.)<o:p></o:p></P>