Harabi, Najib - Volkswirtschaftliche Fakultät, … - 1994
, as well as for technical change in individual markets and for the whole economy. Since appropriability is difficult to … effectiveness of various means of appropriability. The most important of these means are patents, secrecy and lead time and related … least effective means of appropriability. 3. Patents as a means of appropnability in the Swiss context are only effective in …