Why do we usually take the logarithm of the market cap in reading 12? For example, look at P306. Why not just take the market cap
it is exponential growth that you are adjusting for. 100->1000 is 10 times increase plot 100, 1000, 10000 for different time periods graph looks like upward portion of U but plot ln (100), ln(1000), ln(10000) it is closer to a straight line.