Market failures occur when the allocation of resources in a market is inefficient.

The mass effects of the explosion were felt throughout the city.

The mass differences between the two objects are significant.

Mass energies are fundamental concepts in physics.

The company targets different market segments to maximize its sales.

They are matches made in heaven.

Mass spectra are used to analyze the composition of a substance.

The match-ups for the tournament have been announced.

The mass-energies of the particles in the system are calculated using the equation E=mc^2.

The city held mass funerals for the victims of the tragedy.