The economic constraints you are referring to is the terrible ROI on housing. Ask yourself what economic value a house produces compared to a farm, factory, or

The economic constraints you are referring to is the terrible ROI on housing. Ask yourself what economic value a house produces compared to a farm, factory, or research lab. The answer is almost nothing. Socialist states don't like building anything more than the bare minimum to house workers. They get nothing for it (economically and ideologically) and the land saved can be used for actual productive things.