Interesting game. The economy feels a bit loose - I had enough money to buy both vegetables and soap before I bought vegetables - and the variance in the black market is odd, there were always enough $1/$2 potatoes and $3/$4 wheat etc. There's probably not scope to include an alternative to gulaging people, but it might be nice if there was a flavour option of your workers coming from building community solidarity instead of just from blackmail?
I didn't play much past soap, I didn't have the time right now.