We estimate the following regression model to predict wage of employees in a firm. Exp is years of experience, male is a dummy variable that equals 1 if the employee is male. wage Во + Bехр + Вzтale + Bgexpх male %3D If the true relationship between the variables are as the following plot suggests, what do you expect the signs (positive or negative) of ß1, B2, and ß3 to be? Explain. wage 4 male=1 male=0 experience

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