What is the equilibrium rate of real interest in this economy, and what will happen at a 10% interest rate? The equilibrium rate of real interest is 2%; and at a 10% interest, there will be excess demand for funds in the economy. The equilibrium rate of real interest is 2%; and at a 10% interest, there will be excess savings in the economy. The equilibrium rate of real interest is 6%; and at a 10% interest, there will be excess savings in the economy. The equilibrium rate of real interest is 6%; and at a 10% interest, there will be excess demand for funds in the economy. The equilibrium rate of real interest is 8%; and at a 10% interest, there will be excess demand for funds in the economy