Especially Japan seems to have increased its
equivalent innovations rapidly over time.
Yet, as stated, this is a trend that can be
seen in all countries when moving from the 1960s and 1970s to the 1980s and 1990s,
so that the conclusions reached above are endorsed. Of course, this trend should be
coupled with the movement from negative to positive real interest rates that occurred
around the mid 1980s for almost all the countries below.