You will be provided with a reference and some statements. Please determine whether each statement is 'supported', 'unsupported', or 'unknown' with respect to the reference. Please note:
First, assess whether the reference contains any valid content. If the reference contains no valid information, such as a 'page not found' message, then all statements should be considered 'unknown'.
If the reference is valid, for a given statement: if the facts or data it contains can be found entirely or partially within the reference, it is considered 'supported' (data accepts rounding); if all facts and data in the statement cannot be found in the reference, it is considered 'unsupported'.

You should return the result in a JSON list format, where each item in the list contains the statement's index and the judgment result, for example:
[
    {
        "idx": 1,
        "result": "supported"
    },
    {
        "idx": 2,
        "result": "unsupported"
    }
]

Below are the reference and statements:
<reference>
Automation and New Tasks: How Technology Displaces and Reinstates Labor - American Economic Association

Automation and New Tasks: How Technology Displaces and Reinstates Labor by Daron Acemoglu and Pascual Restrepo. Published in volume 33, issue 2, pages 3-30 of Journal of Economic Perspectives, Spring 2019, Abstract: We present a framework for understanding the effects of automation and other types o...

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Journal of Economic Perspectives
Spring 2019
Automation and New Tasks: How Technology Displaces and Reinstates Labor

Journal of Economic Perspectives

ISSN 0895-3309 (Print)

|

ISSN 1944-7965 (Online)

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Automation and New Tasks: How Technology Displaces and Reinstates Labor

Daron Acemoglu

Pascual Restrepo

Journal of Economic Perspectives

vol. 33,
no. 2, Spring 2019

(pp. 3–30)

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Article Information

Abstract

We present a framework for understanding the effects of automation and other types of technological changes on labor demand, and use it to interpret changes in US
employment over the recent past. At the center of our framework is the allocation of tasks to capital and labor—the task content of production. Automation, which
enables capital to replace labor in tasks it was previously engaged in, shifts the task content of production against labor because of a displacement effect. As a result,
automation always reduces the labor share in value added and may reduce labor demand even as it raises productivity. The effects of automation are counterbalanced
by the creation of new tasks in which labor has a comparative advantage. The introduction of new tasks changes the task content of production in favor of labor because
of a reinstatement effect, and always raises the labor share and labor demand. We show how the role of changes in the task content of production—due to automation
and new tasks—can be inferred from industry-level data. Our empirical decomposition suggests that the slower growth of employment over the last three decades is
accounted for by an acceleration in the displacement effect, especially in manufacturing, a weaker reinstatement effect, and slower growth of productivity than in
previous decades.

Citation

Acemoglu, Daron, and Pascual Restrepo.

2019.

"Automation and New Tasks: How Technology Displaces and Reinstates Labor."

Journal of Economic Perspectives

33 (2):
3–30
.

DOI: 10.1257/jep.33.2.3

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JEL Classification

D24

Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity

J23

Labor Demand

J24

Human Capital; Skills; Occupational Choice; Labor Productivity

J31

Wage Level and Structure; Wage Differentials

O33

Technological Change: Choices and Consequences; Diffusion Processes

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</reference>

<statements>
1. The task-based literature predicts that automation displaces workers from existing tasks and can reduce labor demand even while raising productivity, but the creation of new tasks can reinstate labor demand.
2. The task-based framework formalizes the mechanism: production is decomposed into tasks assigned to labor and capital; automation substitutes capital for labor in existing tasks, producing a displacement effect that always reduces the labor share and may reduce labor demand even as productivity rises.
3. The effects are counterbalanced when new tasks emerge in which labor has a comparative advantage, producing a reinstatement effect that raises the labor share and labor demand.
4. The task-model article’s own industry decomposition attributes slower U.S. employment growth over the prior three decades to an acceleration in displacement, especially in manufacturing, weaker reinstatement, and slower productivity growth.
5. The question’s macro-era framing is therefore not directly tested by these sources; the evidence instead supports a more granular view in which AI changes the allocation of tasks, the demand for skills, and the growth paths of adopting firms.
6. Task model and review — What the sources establish: Automation can displace labor from existing tasks and reduce labor share, while new tasks can reinstate labor demand; empirical work broadly supports displacement effects
7. Task model and review — What the sources do not establish: A settled aggregate AI-specific employment outcome for the current generative-AI period
8. The task model and review provide the conceptual and empirical foundation for displacement and reinstatement.
</statements>

Begin the assessment now. Output only the JSON list, without any conversational text or explanations.