closed sector

USAGE SUMMARY

The phrase "closed sector" is correct and usable in written English.
It can be used in contexts related to economics, geography, or any field where sectors are defined and one is closed off from others. Example: "The closed sector of the economy has led to increased unemployment rates in the region."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

The parameter varies among the limits of a closed sector Q of the complex plane, with vertex at the origin of coordinates.

Journal of Inequalities and Applications

Denote by (mathbf {P}) the following closed sector: ({zin mathbb C{backslash }{0}|, -3pi /4le arg zle 3pi /4}cup {0}).

Bulletin of Mathematical Sciences

As China is seeking to increase the size of its services sector, which I have written about before, it implies there is much more potential growth in the relatively closed sector.

BBC

On the closed sector (overline{T}_{j}^{1}), (jin E), we consider the carrier function (Q_{j}(r_{j},theta_{j})) in the form given in [12], which satisfies the boundary conditions (2) on (gamma_{j-1}capoverline{T}_{j}^{1}) and (gamma_{j}capoverline{ T}_{j}^{1}), (jin E).

Advances in Difference Equations

A sectorial operator is a linear operator A in a Banach space whose spectrum lies in a closed sector (S_{omega}={zin mathbb{C}backslash{0}mid vert arg zvert leqmu}cup{0}) for some (0leqomega<pi) and whose resolvent ((z-A)^{-1}) satisfies the estimate begin{aligned} biglVert (z-A)^{-1}bigrVert leq Mvert z vert ^{-1} quadmbox{for all } znotin S_{omega}.

Advances in Difference Equations

Besides the standard norms, for the treatment of parameter-elliptic problems the following parameter-dependent norms will be convenient: Let θ ∈ ( 0, π ] and let λ ∈ Σ ¯ θ be a complex parameter, varying in a closed sector Σ ¯ θ with vertex at 0 where Σ θ : = { z ∈ C ∖ { 0 } : | arg ( z ) | < θ }.

Boundary Value Problems

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

A revolt also damaged the center in Turin, where detainees are kept in six closed sectors.

The New York Times

Even the Bank of Spain admits that in the higher inflation rates the behaviour of mark-ups, mainly in the closed sectors, is the main determinant of the evolution of prices.

The Economist

For all that they enjoyed the government's embarrassments over scandals afflicting some members of the cabinet in recent weeks, lawmakers in the DPJ and other opposition parties are ill-prepared for a sudden election.But what of Mr Abe's professed determination to improve the labour market and open up closed sectors of the economy?

The Economist

At the beginning of each trial, the mouse was placed in one of the two closed sectors and behavior was recorded for 300 s.

Plosone

The apparatus consisted of a circular platform, elevated 40 50 cm above the floor, divided into two open and two closed sectors enclosed by walls of about 20 cm height.

Plosone

Expert writing Tips

Best practice

When discussing economic policy, clarify the specific criteria that define the "closed sector" to avoid ambiguity. For example, specify whether you are referring to sectors protected by tariffs, regulations, or other barriers to entry.

Common error

Don't assume "closed sector" always implies negativity. Sometimes, temporary closure or protection is necessary for strategic reasons, such as nurturing nascent industries or safeguarding national security.

Linguistic Context

The phrase "closed sector" functions primarily as a noun phrase, often acting as the subject or object in a sentence. Ludwig AI suggests that it describes a specific area or industry that is restricted or inaccessible. This is confirmed by examples discussing closed financial or energy sectors.

Expression frequency: Uncommon

Frequent in

News & Media

33%

Science

33%

Formal & Business

11%

Less common in

Wiki

3%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "closed sector" is a noun phrase used to describe parts of an economy or a system that are restricted. Ludwig AI validates the phrase's grammatical correctness and its usage in both scientific and journalistic contexts. While not exceedingly common, the term effectively communicates the concept of restricted access or competition within a specific area, and is most often found in news and scientific sources. When using this phrase, be specific and make sure you aren't implying negativity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

restricted sector

Emphasizes the limitation and control within the area.

isolated sector

Highlights the separation and lack of interaction with other areas.

protected sector

Focuses on the safeguarding and insulation of the area from external factors.

self-contained sector

Underscores the independence and completeness of the area within itself.

insular sector

Suggests a narrow-minded and detached characteristic of the area.

exclusive sector

Indicates limited access and privileged status within the area.

segregated sector

Highlights the separation and division from other areas.

non-competitive sector

Emphasizes the absence of rivalry and market forces.

inward-focused sector

Highlights the emphasis on internal development and operations.

ring-fenced sector

Emphasizes the creation of a protective barrier around the area.

FAQs

How can I use "closed sector" in a sentence?

You might say, "The government's policies aim to open up the previously "closed sector" to foreign investment" or "The "closed sector"'s lack of competition has stifled innovation".

What are some alternatives to "closed sector"?

Depending on the context, you could use phrases like "restricted sector", "isolated sector", or "protected sector".

What does it mean when an economy has a "closed sector"?

It typically refers to parts of the economy that are heavily regulated, protected from foreign competition, or otherwise insulated from market forces. This can lead to inefficiencies and reduced innovation.

Is a "closed sector" always a negative thing for an economy?

Not necessarily. While it can stifle competition and innovation, a "closed sector" might be intentionally maintained to protect strategic industries, ensure national security, or support local businesses.