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National Efficiency Impacts A general equilibrium analysis, which is capable of capturing the interactions across the various sectors that make up the economy, is used to evaluate national efficiency impacts. The CGE model takes explicit account of the exchanges between the region and the remainder of the country and world and so reports national economic effects. To capture national efficiency impacts it is necessary to correct for those regional impacts that are actually transfers from the rest of the economy. Four scenarios (Table I-E-3) provide bounds on the national economic effects associated with the proposed critical habitat designation by imposing conjectures on the extent to which capacity expansion expenditures are net additions versus the extent to which they are pure transfers at the national level and whether regional recreation impacts are offset by expenditures elsewhere in the country. Table I-E-3 reports the without fish results in terms of the levels of activity. Thus, under Scenario A1, there would be a $4.40 million dollar expansion in the national economy projected on the basis of the 1982 levels of economic activity. Similarly, there would be an increase in employment of 230 jobs and increases in earnings and government revenues. Under Scenario B1, there would be a contraction in the national economy of $3.30 million. There would be a corresponding reduction in employment of 150 jobs. Two .additional scenarios address the extent of excess capacity in the recreational services sector. Scenario A2 retains the assumptions of Al and adds the conjecture that there is sufficient excess capacity in the national recreation sector that the negative regional impacts are fully offset. Scenario B2 follows from B 1 and adds the conjecture that there is no excess capacity in the national level recreation sector. Thus, the negative regional impacts are also felt by the national economy. ix