behavior by US listed technology firms on the market performance of equity securities, in this case the share prices of the … data of US listed technology firms. A sample of 147 firms were chosen, considering the time period of 2014-2016. The stock …

and technology innovation. Investor's reactions are measured using cumulative abnormal returns (CAR) with (−5,+5) and (−2 … of a new product and system and technology innovation rather than when it is still under the planning or development …

The growth rate of total factor productivity seems to have increased recently, at least in the United States. Higher US … productivity growth may justify higher stock market valuations than in the past and thus herald an emerging New Economy. However …, the size of the estimated growth rate of total factor productivity depends on an assumption about the factor …