what are the major factors affecting choice of investment?
['Interest rates. Investment is financed either out of current savings or by borrowing. ... ', 'Economic growth. Firms invest to meet future demand. ... ', 'Confidence. Investment is riskier than saving. ... ', 'Inflation. ... ', 'Productivity of capital. ... ', 'Availability of finance. ... ', 'Wage costs. ... ', 'Depreciation.']