Groot, Bert de (contributor); … - 2005
time and energy to question and examine ”the long wave”. This line of research resulted
not only in findings on the long … conjectures that provide interesting areas for
further research.
2 Innovations and long cycles
In this section we summarize the … authors, the data is the best
data available for the research as is to be conducted.
The count data we analyze are depicted in …