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The root cause of market bubbles isn't the new technology itself, but recurring human behaviors like greed, optimism, and social proof. Technology is merely the narrative vehicle for these powerful psychological tendencies that have existed for centuries.

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Contrary to the belief that bubbles are based on hype, Gurley asserts they are a byproduct of a real technological breakthrough. The initial, genuine value attracts talent and capital, which then draws in speculators and 'fools' who create the bubble. The underlying technology's reality is the catalyst.

Citing theorist Carlotta Perez, Gurley argues that only genuinely transformative technologies create bubbles. The rapid wealth creation from the real innovation attracts speculators and charlatans, which inflates the bubble. Therefore, a bubble is evidence of a real shift, not a sign the technology is fake.

A guest offers a more precise alternative to the cliché that history rhymes: Voltaire's observation that "history never repeats itself, man always does." This insight pinpoints human nature—greed, fear, and FOMO—as the constant driver of speculative manias, even as the specific assets and technologies change.

A true market bubble is a psychological phenomenon requiring near-universal belief that it isn't a bubble. The fact that so many people are actively questioning whether AI is in a bubble indicates the market has not reached the necessary state of widespread 'capitulation' from skeptics.

A recurring theme in every historical market bubble is the belief that current events are unique, justifying inflated valuations and risky investments. Recognizing this narrative is a key behavioral signal for investors to exercise caution.

We overestimate technology's short-term impact (the hype peak) and then overcorrect into skepticism (the trough of disillusionment). The real, transformative changes happen slowly and quietly after most people have stopped paying attention.

Financial history rhymes because the underlying driver—human nature—is constant. Core desires for wealth, recognition, and love, along with the fear of pain and envy of others' success, have remained unchanged for millennia. These emotions will continue to fuel bubbles and crashes, regardless of new technologies or financial instruments.

A genuine technological wave, like AI, creates rapid wealth, which inherently attracts speculators. Therefore, bubble-like behavior is a predictable side effect of a real revolution, not proof that the underlying technology is fake. The two phenomena come together as a pair.

Market bubbles evolve through predictable psychological stages. Phase one is buying an asset for its fundamental value. Phase two is using debt and leverage to acquire more of the appreciating asset. Phase three is pure speculation where investors, driven by greed, no longer care about the asset itself, only its potential for quick profit.

The most significant market bubbles, like railroads, the internet, and AI, are driven by genuinely transformative ideas. Their obvious, world-changing potential attracts massive investment, which inevitably gets overdone, leading to a bubble and subsequent crash, even for successful underlying technologies like Amazon.

Market Bubbles Are Driven by Timeless Human Psychology, Not Transformative Technology | RiffOn