D1 Trust, Compliance, and Social Capital

Topic

Three indicators measure the same realm of trust and cooperation from different angles: generalized trust surveys—such as the World Values ​​Survey—measure trust as reported by the population itself; the rate of compliance with norms and contracts measures that same trust based on actual observed behavior rather than self-reported views; and social capital measures gauge the reach of that trust, regardless of whether the overall level is high or low.

Generalized trust surveys measure whether the population reports that others can generally be trusted; a sustained decline in these figures is one of the most direct indicators of a collapse in generalized trust—the very erosion characterized by this phenomenon as a self-reinforcing downward spiral.

The rate of compliance with norms and contracts measures not what people say about trust, but the actual observed rate of non-compliance or betrayal; it is this rate that, upon crossing the threshold where ceasing cooperation becomes the rational choice, directly triggers the collapse of generalized trust. Furthermore, a divergence between this rate and generalized trust surveys—where reported trust remains high even as actual compliance deteriorates—serves as the kind of early warning sign often associated with exploited over-trust, as reported trust continues to fuel a scheme's growth long after actual compliance has ceased to support it.

Social capital measures assess the reach of trust, distinguishing between trust confined to one's own group and trust that extends to the rest of society; a contraction toward in-group social capital—at the expense of social capital that crosses that boundary—directly measures the "radius of trust." When this radius falls below the size required for societal-scale coordination, it triggers fragmentation into mutually exclusive bubbles of trust.

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