Consider the following data for a closed economy: y = $12 trillion c = $8 trillion g = $2 trillion spublic = $negative 0.50 trillion t = $2 trillion now suppose that government purchases increase from $2 trillion to $2.50 trillion but the values of y and c are unchanged. what must happen to the values of s and i? a. s and i increase by $0.50 trillion. b. s and i drop by $0.50 trillion. your answer is correct. c. s drops by $0.50 trillion and i increases by $0.50 trillion. d. s increases by $0.50 trillion and i drops by $0.50 trillion.

B. S and I drop by $0.50 trillion.

Explanation:

In a closed economy we got the following identity

Y = C + I + G

The income is equal to the amount consumed, the amount invested and the goverment spending

12 = 8 + I + 2

I = 2

The investment is equal to the savings of the economy in this case as government and taxes are equal, the public runs at equilibrium

While private sector:

Y - C - T = private savings

12 - 8 - 2 = 2 Private saving

If Government increase government spending by 0.50

The government will run into a deficit making savings decrease as will borrow from the private sector.

This makes the investment decrease as well as savings for the economy as a whole.

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among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.