Savings

15 important questions on Savings

What are the reasons to save?

Asset accumulation
2. saving to smooth seasonal consumption needs
3. also: build up assets to use as collateral, self insure against major shocks

What is low frequency saving?

Focus on long term to build up for investments / funds /retirement. the life cycle model  shows this by borrowing young, saving middle and dissave when older

What is high frequency saving?

Manage resources within a year and across seasons. attempt to equalize marginal utility of consumption each period
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Why is low frequeny saving questionnable in both poor and rich countries

Rich: In middle age, most incomes also incur largest costs

Poor: all family members combined and retirement periods shorter, there is intergenerational household instead of neclear household.

Formulate the savings constraint

see notes

What does behavorial economics say about credit constraints in  practice:

households to important to save. delta larger than r
RISK: persisistent negative shocks can keep wiping out assets
social arrangements: family/neighbours ''tax'' your surplus

What is the neoclassical theory of savings

The higher the interest rate relative to the rate of time preference, the more it pays to depress the current level of consumption (save) in order to enjoy higher levels of consumption later!

Key property: households will tend to smooth consumption. Consumption will not be tied to current income!

Describe the life-cycle hypothesis by ando-modigliani. and where is it worst applicable?

Assumption: a typical individual has an income stream which is relatively low at the beginning and the end of her life, and high during the middle of her life › Optimal behavior should yield fairly flat consumption over time, rather than ups and downs that track the ups and downs of income and retirement

Model’s predictive success much worse in lower-income countries • Multigenerational households see very different income streams

Describe the permanent income hypothesis by milton friedman

Describes how a rational forward-looking household would choose to borrow and save when confronted with uncertain future income

Friedman: • Enjoy permanent increases, increasing your expenditures accordingly • Save transitory increases, expecting downturns later 

If you could make choices without constraints/if markets work perfectly, your consumption choices should be fully independent of when your income arrives

Give the 2 constraints that poor households suffer

Borrowing constraints • Households with transitorily low incomes will not be able to DISSAVE (borrow)

› Saving constraints • Households with transitorily high incomes are forced to consume more than they like • Cannot SAVE as savings devices are often unreliable, inconvenient, inflexible, and inappropriately structured

What are explanations for low savings rates

Too impatient -> discount rate>interest rate
High risk -> persistent negative shocks make asset accumulation imposs.
Social Hes -> neighbours/family claim your surpluses
Hyperbolic discounting -> people want reward sooner than later

What is hyperbolic discounting?

Households prefer rewards sooner rather than later › Neoclassical theory assumes that people discount a future reward by a fixed percentage for each unit of time they must wait

What is exponential discounting

Exponential discounting reduces a future reward by a factor of 1 (1+

Why does hyperbolic discounting give rise to preference reversals?

Hyperbolic discounting is represented by: 1 1+

What is saliency and how to make products more salient?

ack of attention to future in comparison to current needs

Savings products that make future needs more salient are needed
• Reminders
• Framing

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