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In our macro-economic models, we always input a central bank interest rate. Yet, when I go to the bank to borrow money, I get a much higher interest rate. How does a higher or lower interest rate effect lending if I can't borrow at that rate anyway?

While this is not necessarily relevant for the IB exams, it is important to keep in mind that the interest rate that we use in the macro-economic models like the AD/AS model is an approximation of cost of...

Answered by Economics tutor
1512 Views

Referring to volcanoes, explain three reasons why fewer deaths are caused by this hazard than in the past. (6 marks)

Firstly, improved monitoring of volcanoes can reduce the death toll of an eruption by leading to enhanced predictions of hazard events and thus providing a longer period for the evacuation of vulnerable i...

Answered by Geography tutor
2024 Views

Solve the equation log2(x + 3) + log2(x - 3) = 4

log2(x + 3) + log2(x - 3) = 4log2 [(x + 3)(x - 3)] = 4x^2 - 9 = 16x^2 = 25x = 5

Answered by Maths tutor
3513 Views

Explain why transition metals form coloured compounds when bonded to a ligand.

The transition metals have five distinct orbitals in their third energy level. When bonded to a ligand these orbitals are separated into two groups located at two slightly different energy levels. The dif...

Answered by Chemistry tutor
4602 Views

Describe how water is carried by the transpiration stream (7)

Transpiration is the water loss from the plant via evaporation. The transpiration stream is the flow of water through the plant xylem from the roots to the leaves of the plant. Xylem are thin tubes where ...

Answered by Biology tutor
6041 Views

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