# How to Measure a Two-Sided Market

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## Abstract

**:**

## 1. Introduction

## 2. Literature Review

## 3. Distribution Function

#### 3.1. Exponential Distribution Function in Nodes Degree

#### 3.2. Distribution Function in Nodes-Links

#### 3.2.1. Boolean Distribution

#### 3.2.2. Random Distribution

#### 3.2.3. Poisson Distribution

#### 3.3. Normal Distribution Function in Nodes-Links

## 4. Entropy in Two-Sided Market

#### 4.1. Market Quality Entropy

#### 4.2. Market Time-Effect Entropy

#### 4.2.1. Boolean Distribution

#### 4.2.2. Random Distribution

#### 4.2.3. Poisson Distribution

#### 4.3. Market Capacity Entropy

#### 4.4. Remarks in Market Structure

## 5. Application Example

## 6. Conclusions

## Author Contributions

## Funding

## Data Availability Statement

## Acknowledgments

## Conflicts of Interest

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March | April | May |
---|---|---|

(Mahida Rice Cake, 281) | (Mahida Rice Cake, 591) | (Mahida Rice Cake, 894) |

(Liuheshun Copper Hot Pot, 317) | (Liuheshun Copper Hot Pot, 736) | (Liuheshun Copper Hot Pot, 982) |

(Abilee Buffet, 684) | (Abilee Buffet, 1273) | (Abilee Buffet, 2031) |

(Manyuan Spring Cake, 752) | (Manyuan Spring Cake, 1091) | (Manyuan Spring Cake, 1823) |

(He Mi Tang, 867) | (He Mi Tang, 1526) | (He Mi Tang, 1743) |

(Chushan Rice Ball, 305) | (Chushan Rice Ball, 747) | (Chushan Rice Ball, 869) |

(Sambo Wonton, 25) | (Sambo Wonton, 112) | (Sambo Wonton, 265) |

(Ribs rice, 104) | (Ribs rice, 429) | (Ribs rice, 824) |

(Curry Korean Fried Chicken, 553) | (Curry Korean Fried Chicken, 1084) | (Curry Korean Fried Chicken, 2528) |

(Takifukui, 694) | (Takifukui, 1305) | (Takifukui, 2473) |

(Yuelai Fast Food, 1983) | (Yuelai Fast Food, 259) | (Yuelai Fast Food, 2779) |

(Old Liu Xiaowancai, 261) | (Old Liu Xiaowancai, 304) | (Old Liu Xiaowancai, 440) |

(Large bowl rice, 2596) | (Large bowl rice, 3281) | (Large bowl rice, 1854) |

(Chopsticks Zhixiang, 487) | (Chopsticks Zhixiang, 561) | (Chopsticks Zhixiang, 833) |

(Jinjia Snacks, 493) | (Jinjia Snacks, 529) | (Jinjia Snacks, 816) |

(Shifu Spare Ribs, 542) | (Shifu Spare Ribs, 669) | (Shifu Spare Ribs, 911) |

(Xie’s small bowl of dishes, 895) | (Xie’s small bowl of dishes, 1124) | (Xie’s small bowl of dishes, 948) |

(Akushima, 974) | (Akushima, 1261) | (Akushima, 1370) |

(Yunxi big bowl of rice, 337) | (Yunxi big bowl of rice, 556) | (Yunxi big bowl of rice, 491) |

(Monster Fried Rice, 369) | (Monster Fried Rice, 542) | (Monster Fried Rice, 560) |

Monthly sales: 13,519 | Monthly sales: 20,312 | Monthly sales: 25,967 |

Average monthly sales: 676 | Average monthly sales: 1011 | Average monthly sales: 1398 |

Month | March | April | May | |
---|---|---|---|---|

MQE | ||||

MQE | 0.464 | 0.512 | 0.542 | |

MMQE | 7.867 | 8.044 | 8.151 |

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**MDPI and ACS Style**

Zheng, W.; Yao, X.
How to Measure a Two-Sided Market. *Entropy* **2021**, *23*, 962.
https://doi.org/10.3390/e23080962

**AMA Style**

Zheng W, Yao X.
How to Measure a Two-Sided Market. *Entropy*. 2021; 23(8):962.
https://doi.org/10.3390/e23080962

**Chicago/Turabian Style**

Zheng, Wen, and Xiaoming Yao.
2021. "How to Measure a Two-Sided Market" *Entropy* 23, no. 8: 962.
https://doi.org/10.3390/e23080962