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<h2 class="hd hd-2 unit-title">What is Inflation?</h2>
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<p>Erratum: on the last slide of the video, it should be [mathjaxinline]\frac{C_{T+1}}{C_T}[/mathjaxinline] instead of [mathjaxinline]\frac{I_{T+1}}{I_T}[/mathjaxinline]. The typo has been fixed in the handout for this unit.</p>
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<h2 class="hd hd-2 unit-title">Exercise: What is Inflation?</h2>
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Exercise: What is Inflation?
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Suppose you invest $10,000, and your investment earns a return of 5.5% per year over 10 years. During this period, the inflation rate is 2% per year. </p>
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What is your nominal investment balance at the end of year 10? <br/><p style="display:inline">$</p> <div class="inline" tabindex="-1" aria-label="Question 1" role="group"><div id="inputtype_96fae21110e342e4b45dd4ff50d169d8_2_1" class=" capa_inputtype inline textline">
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What is its purchasing power in year 0 dollars? <p style="display:inline">$</p> <div class="inline" tabindex="-1" aria-label="Question 2" role="group"><div id="inputtype_96fae21110e342e4b45dd4ff50d169d8_3_1" class=" capa_inputtype inline textline">
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<h2 class="hd hd-2 unit-title">CPI, BRDPI, and GDP</h2>
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<h3 class="hd hd-2">CPI, BRDPI, and GDP</h3>
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<h2 class="hd hd-2 unit-title">Exercise: CPI, BRDPI, and GDP</h2>
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Exercise: CPI, BRDPI, and GDP
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Suppose CPI increases at a rate of 2% per year, while BRDPI grows at 3% per year. How long, in years, does it take for prices to double under:</p>
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CPI? <br/><div class="inline" tabindex="-1" aria-label="Question 1" role="group"><div id="inputtype_baf5a6de698f4bc6b9b0d2f4e0e981fb_2_1" class=" capa_inputtype inline textline">
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BRDPI? <div class="inline" tabindex="-1" aria-label="Question 2" role="group"><div id="inputtype_baf5a6de698f4bc6b9b0d2f4e0e981fb_3_1" class=" capa_inputtype inline textline">
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<h2 class="hd hd-2 unit-title">Inflation in Healthcare</h2>
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<h2 class="hd hd-2 unit-title">Exercise: Inflation in Healthcare</h2>
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Exercise: Inflation in Healthcare
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Suppose that a hypothetical healthcare inflation index, HCI, is computed by weighting three items as follows: "insurance premiums" is weighted at \(\omega_1 = 50\%\), and "medical products" and "medical services" are each weighted at \(\omega_2 = \omega_3 = 25\%\). Suppose that insurance premiums are growing at is 4% per year, and the annual inflation rate of medical products and medical services is 1% and 2%, respectively.</p>
<p>
What is the annual inflation rate of HCI? (<i>Note</i>: Your answer should be a number in percentage form. Do not enter '%').<br/><div class="inline" tabindex="-1" aria-label="Question 1" role="group"><div id="inputtype_787285a9ecc2487ea21d57a81a44016f_2_1" class=" capa_inputtype inline textline">
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<h2 class="hd hd-2 unit-title">Technological Advances and Inflation Example: HiTek TVs</h2>
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<h3 class="hd hd-2">Technological Advances and Inflation Example: HiTek TVs</h3>
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<h2 class="hd hd-2 unit-title">Uber and CMU Example</h2>
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<h3 class="hd hd-2">Uber and CMU Example</h3>
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