The determinants of economic growth in the longer term According to the Solow model, with a constant amount of labour and constant technology, increases in the quantity of capital will lead to: Select one: O a. output per worker declining at a decreasing rate. O b. output per worker remaining constant. O c. output per worker increasing at an increasing rate. output per worker declining at an increasing rate. O d. O e output per worker increasing at a decreasing rate.