Effective Signals

question 3

Multiple Choice

Effective signals

• A) convey useful information from informed parties to uninformed parties.
• B) impose little or no cost on the signaller.
• C) cannot be conveyed accurately when there is an information asymmetry.
• D) can be used by employers to alleviate the moral hazard problem in the workplace.

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Definitions:

Reflected

The return of light, heat, sound, or energy from a surface.

Seismic Reflection Survey

A geophysical method for exploring Earth's subsurface by sending seismic waves and analyzing the reflected signals from subsurface structures.

Magnetic Survey

A geophysical method for mapping variations in the Earth's magnetic field, often used in mineral exploration.

Gravity Survey

A geophysical method for measuring variations in the Earth's gravitational field, which can indicate differences in the distribution of densities and hence the structure of the subsurface.