In interviews with the workers who changed jobs, Granovetter learned that the contacts who helped them land the job were most often an old friend, a former co-worker, or former employee. In addition, that contract was liekly to be someone with whom that worker had maintained sporadic contact over the years. Granovetter called these.

Granovetter call these WEAK TIES

Explanation:

Weak tie theory is the proposition that acquaintances are likely to be more influential than close friends, particularly in social networks. Weak ties that connect social networks are sometimes called bridges. Absent ties are connections that are expected to exist but do not. According to a study, the more weak ties a person has the happier they feel. Maintaining this network of acquaintances also contributes to one's sense of belonging to a community.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

levels of production can be increased by technology while holding labor and capital constant, because increased technology makes the production process more efficient. subsequently, the lras curve is almost a vertical line, that can shift to the right, with an increase in technology.

the relationship between the lras curve and the ppc is that both can make the economy could grow. the ppc achieves that when it shifts outward because of more resources or technological advances while the lras curve shifts if more resources are developed or if there are technological advances.

the lras curve is a vertical line at an output level that represents the number of goods and services a nation can produce over a sustained period using all of its productive resources as efficiently as possible with all of the current technology available to it.

the production possibilities frontier (ppf) is a graphical device that is used for economic analysis of production decisions because the ppf measures the maximum possible combinations of two goods that an economy is capable of producing with its currently available resources and technology.