If you're interested in 'real world' emperical and experimental data on under utilized resources due to low rents the economist for eve online has some pretty c

If you're interested in 'real world' emperical and experimental data on under utilized resources due to low rents the economist for eve online has some pretty convincing data based on actual game changes they made. Basically they had a problem of high value 'factories' being undeveloped since there was only opportunity costs associated with their not producing goods. Government rents were increased such that factories were only profitable for people utilizing them, and they saw a huge increase in total gdp.