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The Theory of Linear Economic Models by David Gale
The Theory of Linear Economic Models by David Gale
In the past few decades, methods of linear algebra have become central to economic analysis, replacing older tools such as the calculus. David Gale has provided the first complete and lucid treatment of important topics in mathematical economics which can be analyzed by linear models. This self-contained work requires few mathematical prerequisites and provides all necessary groundwork in the first few chapters. After introducing basic geometric concepts of vectors and vector spaces, Gale proceeds to give the main theorems on linear inequalities—theorems underpinning the theory of games, linear programming, and the Neumann model of growth. He then explores such subjects as linear programming; the theory of two-person games; static and dynamic theories of linear exchange models, including problems of equilibrium prices and dynamic stability; and methods of play, optimal strategies, and solutions of matrix games. This book should prove an invaluable reference source and text for mathematicians, engineers, economists, and those in many related areas.
What is forex?
Quite simply, it’s the global market that allows one to trade two currencies against each other.
If you think one currency will be stronger versus the other, and you end up correct, then you can make a profit.
If you’ve ever traveled to another country, you usually had to find a currency exchange booth at the airport, and then exchange the money you have in your wallet into the currency of the country you are visiting.
Foreign Exchange
You go up to the counter and notice a screen displaying different exchange rates for different currencies.
An exchange rate is the relative price of two currencies from two different countries.
You find “Japanese yen” and think to yourself, “WOW! My one dollar is worth 100 yen?! And I have ten dollars! I’m going to be rich!!!”
When you do this, you’ve essentially participated in the forex market!
You’ve exchanged one currency for another.
Or in forex trading terms, assuming you’re an American visiting Japan, you’ve sold dollars and bought yen.
Currency Exchange
Before you fly back home, you stop by the currency exchange booth to exchange the yen that you miraculously have left over (Tokyo is expensive!) and notice the exchange rates have changed.
It’s these changes in the exchange rates that allow you to make money in the foreign exchange market.
Salepage : The Theory of Linear Economic Models by David Gale
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