Theory Week: Say’s Law

by Sam on May 28, 2007

This week I plan to talk about some theories I have come across recently and that I think are worth mentioning.

The first one that comes to mind is Say’s Law, which states ’Demand cannot exist without Supply.’

I was thinking of Say’s Law in the context of an encounter my best friend had with someone just the other day. When the two met and started talking shop, my friend introduced himself as an ‘entrepreneur’ whereas this individual introduced himself as an ‘inventor.’ What’s the difference?

To me an entrepreneur is someone who sees a void or an opportunity that currently exists in a marketplace and creates a new application (or takes a novel approach) to filling that void.

An inventor on the other hand, is someone who creates an entirely new product or market; something for which demand only comes after the supply (i.e. the invention).

It’s a small distinction, but an important one.

For example, I look at the internet as its own marketplace and thus I have a hard time considering most internet innovations to be true inventions. I think it’s essential to remember that while it appears that the majority of entrepreneurship/innovation is web-based, the real inventions are taking place in environments that have nothing to do with widgets, browsers or Google. The future exists in places you and I can’t imagine; it simply hasn’t been invented yet.

  • http://gabrielbcn.wordpress.com Gabriel

    For your definition of entrepreneur, Say’s law wouldn’t be applicable, but Keynes’ version: “demand creates supply”.

    Both can be true, but one heads to an oportunity straightaway: the keynesian one (the entrepreneur) will see an opportunity and seize it.

    The classical one (the inventor) will need a lot of time for the world to discover his invention. Probably he won’t even profit from it.

    The first is marked-focused, the second is not. Entrepreneurs look for opportunities, do not necessarily invent anything.

    Best regards ;)

  • http://www.leveragingideas.com Sam

    Hi there Gabriel – thanks for the comment. That’s a good point; inventors probably profit much less frequently than do entrepreneurs…however, when they do, I’m betting they tend be “homeruns”

  • http://gabrielbcn.wordpress.com Gabriel

    Not the ones I know hehehe, but in the long term probably they are the important ones. (And then comes Bill G. and cashes it all)

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