"Weak ties," of course, refers to a classic paper by Mark Granovetter called "The Strength of Weak Ties," published in May 1973 issue of the American Journal of Sociology and available at Granovetter's website. The original paper is only modestly technical, but for a quick summary of the argument, I'll offer Granovetter's own explanation in a 1983 paper in Sociological Theory, "The Strength of Weak Ties: A Network Theory Revisited." Granovetter writes (parenthetical citations omitted):
"The overall social structural picture suggested by this argument can be seen by considering the situation of some arbitrarily selected individual-call him Ego. Ego will have a collection of close friends, most of whom are in touch with one another-a densely knit clump of social structure. Moreover, Ego will have a collection of acquaintances, few of whom know one another. Each of these acquaintances, however, is likely to have close friends in his own right and therefore to be enmeshed in a closely knit clump of social structure, but one different from Ego's. The weak tie between Ego and his acquaintance, therefore, becomes not merely a trivial acquaintance tie but rather a crucial bridge between the two densely knit clumps of close friends. To theI'm hoping that this blog will be a weak tie for a number of readers: that is, it will offer connections and information that are outside your usual network, and thus potentially more valuable. This blog is mostly a reaction to the question that might arise if you and I worked down the hall from each other, and on the way over to lunch or to pick up the mail, you asked me: "Read any interesting comments or seen any interesting figures and tables lately?" In the blog, I'll typically mention an essay or report I've seen, link to it, maybe quote a paragraph or two, and maybe put up a few figures or tables that seem interesting to me (in jpeg format, so they are easy to copy over to your own powerpoints if you wish). Sometimes I'll add a few thoughts of my own; sometimes not.
extent that the assertion of the previous paragraph is correct, these clumps would not, in fact, be connected to one another at all were it not for the existence of weak ties.
It follows, then, that individuals with few weak ties will be deprived of information from distant parts of the social system and will be confined to the provincial news and views of their close friends. This deprivation will not only insulate them from the latest ideas and fashions but may put them in a disadvantaged position in the labor market, where advancement can depend, as I have documented elsewhere (1974), on knowing about appropriate job openings at just the right time. Furthermore, such individuals may be difficult to organize or integrate into political movements of any kind, since membership in movements or goal-oriented organizations typically results from being recruited by friends. While members of one or two cliques may be efficiently recruited, the problem is that, without weak ties, any momentum generated in this way does not spread beyond the clique. As a result, most of the population will be untouched.
The macroscopic side of this communications argument is that social systems lacking in weak ties will be fragmented and incoherent. New ideas will spread slowly, scientific endeavors will be handicapped, and subgroups separated by race, ethnicity, geography, or other characteristics will have difficulty reaching a modus vivendi."
As I explain in the FAQ page on this website, I will try to serve as a bridge between what the philosopher David Hume labeled as the "learned" and the "conversable" world. In Hume's words, I will "consider myself as a kind of resident or ambassador from the dominions of learning to those of conversation, and shall think it my constant duty to promote a good correspondence betwixt these two states, which have so great a dependence on each other.” I will avoid questions like: "Have any opinions about what's in the headlines today?" or "Why is everyone who disagrees with me a big fat idiot?" or "What's my personal philosophy of life?"
I'm clearly not trying to be anyone's one-stop shop for economic news. I'm only planning to post on work-days, and usually only once a day. In part, my goal with this blog is just to create a system for myself of storing and categorizing the articles I run across so that I can find them again when I want them! But I also hope to build up a collection of information and figures and readings that may serve broader uses. I hope that this note may encourage some readers new to the blog to surf back through postings over the past three months, because if you're interested in economics, almost every one of these posts is a potential port of entry to a broader subject area.