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Bài viết của Lê Thị Khánh Huyền

Introduction to Issues in Labor Markets: Unions, Discrimination, Immigration

Arguing for Collective Bargaining In 2011, thousands of people in Wisconsin protested against a bill that would eliminate the right to collective bargaining over everything except wages. (Credit: modification of work by Fibonacci Blue/Flickr ...

Tác giả: Lê Thị Khánh Huyền viết 15:56 ngày 25/05/2018 chỉnh sửa

Measuring Money: Currency, M1, and M2

Cash in your pocket certainly serves as money. But what about checks or credit cards? Are they money, too? Rather than trying to state a single way of measuring money, economists offer broader definitions of money based on liquidity. Liquidity refers to ...

Tác giả: Lê Thị Khánh Huyền viết 15:56 ngày 25/05/2018 chỉnh sửa

Composition of Functions

Suppose we want to calculate how much it costs to heat a house on a particular day of the year. The cost to heat a house will depend on the average daily temperature, and in turn, the average daily temperature depends on the particular day of the year. Notice ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

Market-Oriented Environmental Tools

Market-oriented environmental policies create incentives to allow firms some flexibility in reducing pollution. The three main categories of market-oriented approaches to pollution control are pollution charges, marketable permits, and better-defined ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

Fitting Linear Models to Data

A professor is attempting to identify trends among final exam scores. His class has a mixture of students, so he wonders if there is any relationship between age and final exam scores. One way for him to analyze the scores is by creating a diagram that relates ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

Contingency Tables

A contingency table provides a way of portraying data that can facilitate calculating probabilities. The table helps in determining conditional probabilities quite easily. The table displays sample values in relation to two different variables that may be ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

Protectionism: An Indirect Subsidy from Consumers to Producers

When a government legislates policies to reduce or block international trade it is engaging in protectionism . Protectionist policies often seek to shield domestic producers and domestic workers from foreign competition. Protectionism takes three main forms: ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

The National Saving and Investment Identity

The close connection between trade balances and international flows of savings and investments leads to a macroeconomic analysis. This approach views trade balances—and their associated flows of financial capital—in the context of the overall levels of ...

Tác giả: Lê Thị Khánh Huyền viết 15:55 ngày 25/05/2018 chỉnh sửa

Government Policies to Reduce Income Inequality

No society should expect or desire complete equality of income at a given point in time, for a number of reasons. First, most workers receive relatively low earnings in their first few jobs, higher earnings as they reach middle age, and then lower earnings ...

Tác giả: Lê Thị Khánh Huyền viết 15:54 ngày 25/05/2018 chỉnh sửa

Drawing the Poverty Line

Comparisons of high and low incomes raise two different issues: economic inequality and poverty . Poverty is measured by the number of people who fall below a certain level of income—called the poverty line —that defines the income needed for a basic standard ...

Tác giả: Lê Thị Khánh Huyền viết 15:54 ngày 25/05/2018 chỉnh sửa