A Parameter, Plan B vs. Case B

 

What are the differences among mathematics, a scenario and the reality?

Difference #1. The three are respectively imaginary, virtual and real.

Difference #2. We can have anything we want in the first, a plan B in the second, but the Case as is in the third. There can in reality be Case B no more probably than Cleopatra's Nose was shorter. 

Difference #3. The timing and duration are irrelevant in the first, up to the writer in the second, and “everything” in the third.

 

What is a “parameter”? Oh, that’s a great question.

1)     Mathematics: Such as the z in the following equations.

x= f(z); y= g(z) → y= h(x)

Not to mention, the two variables and one parameter are continuous and freely “variable.” There is no such thing as ex ante vs. ex ante: everything’s simul or simultaneous. 

2)     Scenario: The writers can as she pleases have Plan A, Plan B, Plan C, and the like

Plans are mutually exclusive with or without contingency.

Each and every plan takes time (duration) before “performance” done.

3)     Reality: We shall not have Case B, Case C, or the like.

TINA: There is no alternative to each Case, which is contingent on “so many” factors.

4)     Macroeconomics: There are as macroeconomists please the exogenous “Variable” A, B, C, and the like.

 

The first concern in Economic life as reality and in Economics as discipline is the time duration, the most basic currency. The time to us, macroeconomists included, in Here is limited to maximum 125 years after birth. No matter what the gross distance (L in dimension denotation), mass (M), value (U), utility (M∙U) or products (M∙U), the winner is determined by speed, or each per period (T-1).   

 

Question in fine. What is Cambridge macroeconomics? It is mathematics and indefinite scenarios combined in one. Mutually-exclusive and time-taking scenarios simultaneously and continuously coexist in the IS-LM and AS-AD models. In this era of D.E.I, after all, resident aliens (“exogenous”) are as domestic (“endogenous”) as citizens national.

             On the flipside, every Case would be possible Until the End of Time (T0).

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