Assume a Can Opener

Conclusion . . .  The endeavor from here on is to inflate this into a claim about the real world of many people, many corporations, and innumerable products.A first order conclusion is that the way to the best possible world is to let everybody do whatever trading they want, of anything, with anybody.The posited “free market” economy, if left to its own devices, will turn out maximum prosperity, efficiency and happiness for all.Government just needs to leave it alone – an idea called laissez faire – French for “let do” – a phrase popularized in the 19th Century. This, however, depends on certain assumptions . . .•“RationalActors ”:Peopleallocatetheirspending* tomaximize their “utility,” a mysterious psychological property such that $1=1 utile.•Willing sellers and willing buyers.•Perfect information: Buyers and sellers know everything important about the product.•Corollary: Consumer sovereignty – consumers generate demand.•Manysellersandmanybuyers.•Willingsellersandwillingbuyers.•Declining marginal utility.•No “externalities” – 100% of the costs and benefits of transactions are captured by the parties.•Allgoodsare“excludable” and “rivalrous,”i.e. non-public Next, we ' ll take on these assumptions and see what ' s really true.   
Source: Stayin' Alive - Category: American Health Source Type: blogs