The free rider problem is when the private marginal cost of taking action to protect the environment is greater than the private marginal benefit, but the social marginal cost is less than the social marginal benefit.

Within the framework of the rehabilitation of degraded lands, including integrated water resources management, UNESCO is working on a new interregional project, Sustainable Management of Marginal Drylands (SUMAMAD) , which will benefit north African and Asian countries.

Some have collective shocks to the marginal utility of leisure.

The moral superiority of high marginal income taxes suddenly waned.

Chukchi Sea () is a marginal sea of the Arctic Ocean.

The East China Sea is a marginal sea east of China.

The Laptev Sea () is a marginal sea of the Arctic Ocean.

The Lazarev Sea is a marginal sea of the Southern Ocean.

The Islamists are neither a marginal political group nor a terrorist force.

The market price of anything is always equal to the marginal cost.

So, as austerity undermines growth, debt reduction will be marginal at best.

A powerful argument for reserving capital punishment for murders is marginal deterrence.

However, there's a lot of non political stuff happening that gets marginal attention.

For Microsoft, the problem is that the marginal cost of software is zero.

Yet, the participation of many developing countries in global trade has been marginal.

Most importantly, it is the source of livelihood for many economically marginal communities.

To put it in economics jargon, efficiency requires equating the marginal cost associated with allocation (both in acquiring information about the relative benefits of different projects and in monitoring investments) with the marginal benefits.

Even so, such marginal forces do not yet constitute a system for redressing grievances.

Whatever role Berlusconi chooses to play, it is unlikely to be a marginal one.

The Secretary General had recommended eliminating several reports, meetings, and activities of marginal usefulness.

A third factor is that the violence has become a marginal issue even within Thailand.

More broadly, the ECB s marginal lending facility is an indirect means of monetizing sovereign debt.

To be sure, the precautionary and proactionary principles remain relatively marginal to mainstream political discourse.

The Norwegian Sea () is a marginal sea in the North Atlantic Ocean, northwest of Norway.

They calculated that 75 to 80 of economic growth did not come from increasing the capital output ratio at least not if the private marginal product of capital was taken as an indicator of the social marginal product.

Outdoor lighting has a marginal and sometimes even contradictory influence on crime and fear of crime.

Product bundling is most suitable for high volume and high margin (i.e., low marginal cost) products.

Under land management, adaptation options included afforestation, reforestation of marginal lands and protection of arable land.

In Guatemala, the largest economy, less than 3 of workers are unionized and their unions are marginal.

Many governments are giving in to higher marginal tax rates rather than overhauling and simplifying the system.

According to the Coase Conjecture, a monopolist selling a durable good must sell it at marginal cost.

In the context of explaining price, the marginal utility theory is not a normative theory of value.

Retirement benefit

Widow's benefit

And the higher marginal tax rates would reduce incentives to work and to invest, further impeding economic activity.

These are places where water is so scarce year after year that crop production is marginal at best.

Some countries stated that they are concerned about the long term sustainability of their arid and marginal regions.

Examples include the Marginal Budgeting for Bottlenecks tool or the tools under development by the WHO Choice project.

There were only 7,000 widowers receiving survivors' benefit half of them receiving the regular benefit and the other half, the combined benefit.

At the end of 2002, 166,000 widows received survivors' benefit 95,000 received this benefit alone and another 71,000 were given the combined benefit.

Deferred retirement benefit

National Child Benefit

Environmental issues are of paramount importance in marginal countries because their impact on human survival is immediate and direct.

The second classical postulate Keynes identified was that the real wage is equal to the marginal disutility of labor.

The theoretical effect on employment is unambiguously positive, because marginal workers will be more productive as they work longer.