XS & L < M(t)} (8-t)
{L - T(L, t) > B}
{X(t)
XS & L > M(t)} (9-t)
Now consider the regimes, and determine whether they can exist:
Full employment: Given that L > B, it follows from (9-1) that the tax exemption can be chosen on or above the critical value XS. Hence XS