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1. [25 points] A supply and demand model is described by the following equations: Demand: P a bQd Supply: P =-c + da Equilibrium: Qd Qs Rewrite the equations of the model in the case where a subsidy of s dollars per unit is placed on production of the good. This means that for every unit that firms sell, the government gives them s dollars. [Hint: if P is the price paid by consumers, what is the price received by producers? Plug this price into the supply equation.] For the model that includes the subsidy, list the endogenous variables, the exogenous v assume a, b, c, d> 0, are there additional restrictions on the values of the parameters? Explain. Solve the model for the equilibrium values of P and Q. Identify the price the seller receives and the price the buyer pays. Show your results graphically and label all intercepts and slopes. es and the parameters. If we

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