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| Teaching Since: | Apr 2017 |
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MBA,PHD in Psychology
Northwest Florida State College
Jun-1992 - May-1997
Professor
Northwest Florida State College,
Aug-2006 - Nov-2015
Consider the four-sector macroeconomic model

(1) Show that
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(2) (a) Write down the autonomous taxation multiplier. Deduce that an increase in T* causes a decrease in Y on the assumption that a country’s marginal propensity to import, m, is less than its marginal propensity to consume, a.
(b) Write down the government expenditure multiplier. Deduce that an increase in G*Â causes an increase in Y.
(3) Let a = 0.7, b = 150, t = 0.25, m = 0.1, T*Â = 100, I*Â = 100, G*Â = 500, M*Â = 300 and X*Â = 160.
(a) Calculate the equilibrium level of national income.
(b) Calculate the change in Y due to an 11 unit increase in G*.
(c) Find the increase in autonomous taxation required to restore Y to its level calculated in part (a).
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