52 



Generating Economic Cycles 



Figure 11. Sauerbeck's index numbers of general wholesale prices. 



Equation to the upper smooth curve: y = 88.6 + 11.2 sin {?^~ t + 342°), 



origin at 1818. 



Figure 12. Sauerbeck's index numbers of general wholesale prices. 

 Equation to the upper smooth curve: y = 88.6 + 11.2 sin (?_?_?_ t + 342°) + 



o ^ ^ 



13.8 sin (3_6_0. I + 55°), origin at 1818. 



