Risk Capital

Government action

1948 - 1949
1958 - 1959
1974 - 1975
1978 - 1979
1979 - 1980
1982 - 1983
1989 - 1990

Technology

1980 - 1984
1981 - 1985
1983 - 1985
2000 - 2001

Investors

1940 - 1946
1946 - 1957
1958 - 1970
1982 - 1987
1982 - 1984
1989 - 1992
2002 - 2007
2008 - 2009

Tax policy

1978 - 07/01/1981
1981 - 1983
1981 - 2001
2001 - 2012