When one gets older, one looks at the science in which one has been working for a long time from a certain distance such that the general approach, the contours of the whole and the connections to other parts of the social sciences come to the foreground whereas the elaboration of the details...

I Economic Theory -- I.1 Macroeconomic Models -- Investment in Inventory -- Tatonnement Processes with Set-Valued Excess-Demand -- De Minimis Non Curat Praetor or: There Might Be Small Disadvantages in Foreign Trade -- Hidden Symmetries: Lie Groups and Economic Conservation Laws -- I.2...