On the shortcomings of static cross-sectional data compared to dynamic timeline data in the value chain of things. I have already written several times about the shortcomings of static cross-sectional data compared to dynamic timeline data in the value chain of things. Cross-sectional data can be compared with other cross-sectional data at some other time - which is constantly used in the media, economy and politics - but it is useless because it does not reveal but hides the following things 1. What is the value chain and what is the basis and extent of the value chain, what are its limits 2. Where does the value chain dynamics arise and come from, what is it aiming for and how many of them are there and how sustainable/fluctuating/wavy/intermittent/seasonal it operates 3. How weak or pressured - and therefore surprisingly the dynamics can be released - to what extent can the dynamics be controlled so that it does not lose its inherent power, can mistakes be made so that the dyna...