integer $exogenous

getobjinfo(exDwellMSSw[], $exogenous; info=dataElement, default=1)

if $exogenous == 0
	matDUSRU[pz,dt,ts] = insert (matDUSRU_endog[pz,dt])
else
	matDUSRU[pz,dt,ts] = matDUSRU_Exog[pz,dt,ts]
endif