Progress is traditionally measured by the improvement of an economy's average characteristics from year to year. Some deeper insight might be gained by splitting the averages into explicit parameters for the new and old technologies at work within the same year, and recognising that innovative...

This article throws a quantitative spotlight on one separate part of a united qualitative picture of the economy, namely: the link of crisis with technical innovation. The passing from words to figures is not a trivial deed and the article claims to find the most adequate way regarding the...