The correct adverb form of 'economic ' is ........................................?

An adverb usually answeres which of the following questions?

The government reluctance to file charges against the lawyer can be attributed more to caution than to lack of information.

……….the danger that he might be injured, Jamal bravely entered the burning house in order to save the younger.

What part of speech is the underlined word in the sentence: The boys went inside to eat dinner.