true or false, justify, and draw diagram if necessary: 1) The Keynesian multiplier is larger in a small open economy compared to a big one 2) If we consider no depreciation in capital, is the value added bigger than total expenditures in national accounting? 3)The multiplier increases when opening the economy to trade, as an increase in expenditure leads to more exports 4) There is an inverse relation between the market value of a treasury bond and the interest rate