Mattie /mat-tie/ [2 sylls.] as a name for girls (also used less generally as boys' name Mattie). Mattie's roots are Aramaic and Old German, and Mattie means lady; mistress of the house; mighty in battle.Mattie is an alternate spelling of Martha (Aramaic). Mattie is also a variant of Matilda (Old German).attie /mat-tie/ [2 sylls.] as a name for girls (also used less generally as boys' name Mattie). Mattie's roots are Aramaic and Old German, and Mattie means lady; mistress of the house; mighty in battle.
Microeconomics (from Greek prefix mikro-meaning small) is a branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of limited resources. Typically, it applies to markets where goods or services are bought and sold.
Welfare economics is a branch of economics that uses microeconomic techniques to evaluate well-being (welfare) at the aggregate (economy-wide) level.he field of welfare economics is associated with two fundamental theorems. The first states that given certain assumptions, competitive markets produce (Pareto) efficient outcomes; it captures the logic of Adam Smith's invisible hand.