In a perfect capital market, investments should not be related to cash flows of the firm. Investmentsshould only be determined by the amount of renewal investments required and growth opportunitiesavailable to the firm. Contrarily, due to the conflicts of interest between the managers and theshareholders, the theory on agency costs and free cash flow hypothesis propose that managers areinclined to over-use free cash flow, which is in excess of value-adding investments. It is claimed thatfirms invest their extra free cash flow on projects with returns below cost of capital of the firm. Someprior studies made on the topic implied the validity of this hypothesis. In other words, firm’s resourcesmight be wasted by means of over-investing. This study, based on a panel data of 154 Borsa Istanbulfirms observed between 2005-2015, confirmed that firms over-invest when there is free cash flowavailable in excess of growth opportunities and dividends. Prior studies have used mostly regressionmodels or Tobin’s q to estimate investment prospects of the firm. However, this study adopted a directmethod to estimate investment opportunities available to the firm.
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