If a person buys things with time they cost more. This is because of inflation.

I asked my father if an asset is always valued based on the price it was purchased for, or how much it costs at the time you decide to take a loan for business reasons.

I'd imagine people who have apartments have gained wealth with time. People who purchased apartments in the 90's now have exceeded the investment in them by far because the population is increasing, and land prices are becoming more expensive.

I asked my father one last thing, and my nicotine gum, which is fortunately made from the cigar part of the tobacco plant, helped me remember.

I think no one has discussed this in economics before, so I thought I would say it.

"Do you think our building will cost more, with time, with more people in Bulgaria, because of the cost of land that isn't ours, that has nothing to do with buildings?"

He asked me what I meant.

"Farmland. More people, more farmland needed so that everyone can buy food."

To explain it: If more land is being used to grow food, then that land becomes unusable for construction of buildings.

The last thing I told him is "Here's how I think it will happen. The earth will reach a moment where the population is so large that we may have to pick between using land to grow food, or to make buildings. Food doesn't reach a large height, but maybe we could make a building with floors on farmland, fill each floor with soil, and grow short crops, like tomatoes in it. Pipes that carry and pump water to water the plants, and lamps for growth. Lamps don't take much electricity, but they need to be on for a long time. I understand why farmland is valuable, but we also need shelter to house people."

I finished it by explaining to him that every country has a lot of land. Some of it isn't used early on, for years it's just sitting there, but each time a part of the land is used for anything, that decreases the amount of land dormant to grow food, make buildings, or roads, and various other things. I think that the portion of land that hasn't been used for anything yet in a place is the most valueable. It doesn't have anything on it, sometimes grass grows by itself and flowers, but it could be used for anything.

This was when I was young, still in Bulgaria.