【单选题】An increase in aggregate wealth:
A.
. increases the consumption of each individual.
B.
. increases the aggregate consumption function.
C.
. decreases the consumption of each individual.
D.
. decreases the aggregate consumption function.
【单选题】The Phillips Curve shows the relationship between______.
A.
aggregate demand and aggregate supply
B.
interest rates and inflation
D.
inflation and the unemployment rate
【单选题】In the model of aggregate demand and aggregate supply, the initial impact of an increase in consumer optimism is to
A.
shift the short-run aggregate supply curve to the left.
B.
shift the aggregate demand curve to the right.
C.
shift the short-run aggregate supply curve to the right.
D.
shift the aggregate demand curve to the left.
【判断题】孟玉楼要改嫁的话,首先必须获得杨姑娘的同意。
【多选题】Which two are true about aggregate functions? ()
A.
You can use aggregate functions in any clause of a SELECT statement.
B.
You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement.
C.
You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.
D.
You can pass column names, expressions, constants, or functions as parameters to an aggregate function.
E.
You can use aggregate functions on a table, only by grouping the whole table as one single group.
F.
You cannot group the rows of a table by more than one column while using aggregate functions.
【判断题】在MATLAB中矩阵的转置运算,是在矩阵a的右上角加一个单引号。
【单选题】According to the short-run aggregate supply curve, when the _____ rises, the quantity of aggregate output _____ rises.
A.
. profit per unit; demanded
B.
. aggregate price level; supplied
C.
. aggregate price level; demanded
D.
. interest rate; supplied
【单选题】An increase in the aggregate price level will increase:
A.
. short-run aggregate supply.
B.
. the quantity of aggregate output supplied in the short run.
D.
. the quantity of aggregate output demanded.
【简答题】聚花果(aggregate fruit)