QUESTIONS 15.12 1. An economist collects input and Table 15.8 output data on a simple economy with two industries Y and Z, plus flow table Input-output Destination of output a natural resource R, and uses Y z D this data to construct Table 15.8, Inputs used Y 1095 495 600 showing how much input is used 438 660 552 by each industry and where output 657 495 goes, including final demand D. (a) Demonstrate that total output equals total input for this economy, assum- ing all flows are measured in m. (b) Construct an input-output coefficient matrix for this economy. c) What will be the impact on the total output of both industries if the final demand for industry Y exogenously increases to 690? DN